e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521

Cytochalasan synthesis: synthesis of an [11]-membered ring precursor of cytochalasin H

EJ Thomas, JWF Whitehead

Index: Thomas, Eric J.; Whitehead, John W. F. Journal of the Chemical Society, Chemical Communications, 1986 , # 9 p. 724 - 726

Full Text: HTML

Citation Number: 2

Abstract

The cytochalasin H precursor (20) has been synthesized using an intramolecular Diels-Alder reaction to control stereochemistry and to form the 1 I-membered ring. ... The cytochalasans,l an important group of biologically active fungal metabolites, have been the targets of much synthetic endeavour. To date total syntheses of the macrolide cyto- chalasan, cytochalasin B (1) ,2 and the [ 13]cytochalasan , proxiphomin (2) ,3 have been described, together with ...

(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(5S,4'S,6'S,8'E,10'E,12'E)-1-benzoyl-5-benzyl-3-phenylseleno-3-[4',6',12'-trimethyl-4'-(2-trimethylsilylethoxymethoxy)-1'-oxotetradeca-8',10',12'-trienyl]pyrrolidin-2-one Structure

(5S,4'S,6'S,8'E...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(5S,4'S,6'S,8'E,10'E,12'E)-1-benzoyl-5-benzyl-3-phenylseleno-3-[4',6',12'-trimethyl-4'-(2-trimethylsilylethoxymethoxy)-1'-oxotetradeca-8',10',12'-trienyl]pyrrolidin-2-one Structure

(5S,4'S,6'S,8'E...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(5S,4'S,6'S,8'E,10'E,12'E)-1-benzoyl-5-benzyl-3-phenylseleno-3-[4',6',12'-trimethyl-4'-(2-trimethylsilylethoxymethoxy)-1'-oxotetradeca-8',10',12'-trienyl]pyrrolidin-2-one Structure

(5S,4'S,6'S,8'E...

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(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(5S,4'S,6'S,8'E,10'E,12'E)-1-benzoyl-5-benzyl-3-phenylseleno-3-[4',6',12'-trimethyl-4'-(2-trimethylsilylethoxymethoxy)-1'-oxotetradeca-8',10',12'-trienyl]pyrrolidin-2-one Structure

(5S,4'S,6'S,8'E...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(5S,4'S,6'S,8'E,10'E,12'E)-1-benzoyl-5-benzyl-3-phenylseleno-3-[4',6',12'-trimethyl-4'-(2-trimethylsilylethoxymethoxy)-1'-oxotetradeca-8',10',12'-trienyl]pyrrolidin-2-one Structure

(5S,4'S,6'S,8'E...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(5S,4'S,6'S,8'E,10'E,12'E)-1-benzoyl-5-benzyl-3-phenylseleno-3-[4',6',12'-trimethyl-4'-(2-trimethylsilylethoxymethoxy)-1'-oxotetradeca-8',10',12'-trienyl]pyrrolidin-2-one Structure

(5S,4'S,6'S,8'E...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4S,6S,8E,10E,12E)-1-(imidazol-1'-yl)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trien-1-one Structure

(4S,6S,8E,10E,1...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4S,6S,8E,10E,12E)-1-(imidazol-1'-yl)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trien-1-one Structure

(4S,6S,8E,10E,1...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-1-(imidazol-1'-yl)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trien-1-one Structure

(4S,6S,8E,10E,1...

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(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-1-(imidazol-1'-yl)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trien-1-one Structure

(4S,6S,8E,10E,1...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-1-(imidazol-1'-yl)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trien-1-one Structure

(4S,6S,8E,10E,1...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4S,6S,8E,10E,12E)-1-(imidazol-1'-yl)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trien-1-one Structure

(4S,6S,8E,10E,1...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4S,6S,8E,10E,12E)-methyl 4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoate Structure

(4S,6S,8E,10E,1...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4S,6S,8E,10E,12E)-methyl 4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoate Structure

(4S,6S,8E,10E,1...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-methyl 4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoate Structure

(4S,6S,8E,10E,1...

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(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-methyl 4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoate Structure

(4S,6S,8E,10E,1...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-methyl 4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoate Structure

(4S,6S,8E,10E,1...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4S,6S,8E,10E,12E)-methyl 4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoate Structure

(4S,6S,8E,10E,1...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoic acid Structure

(4S,6S,8E,10E,1...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoic acid Structure

(4S,6S,8E,10E,1...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoic acid Structure

(4S,6S,8E,10E,1...

Learn More

(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoic acid Structure

(4S,6S,8E,10E,1...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoic acid Structure

(4S,6S,8E,10E,1...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-(2-trimethylsilylethoxymethoxy)tetradeca-8,10,12-trienoic acid Structure

(4S,6S,8E,10E,1...

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(4S,6S)-methyl 8-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)octanoate Structure

(4S,6S)-methyl ...

~92%

(4S,6R)-methyl 7-formyl-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4S,6R)-methyl 7-formyl-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4S,6R)-methyl 7-formyl-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6R)-methyl 7-formyl-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6R)-methyl 7-formyl-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6R)-methyl 7-formyl-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4S,6R)-methyl 7-formyl-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4S,6S)-methyl 8-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)octanoate Structure

(4S,6S)-methyl ...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4S,6S)-methyl 8-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)octanoate Structure

(4S,6S)-methyl ...

Learn More

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S)-methyl 8-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)octanoate Structure

(4S,6S)-methyl ...

Learn More

(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S)-methyl 8-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)octanoate Structure

(4S,6S)-methyl ...

Learn More

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6S)-methyl 8-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)octanoate Structure

(4S,6S)-methyl ...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4S,6S)-methyl 8-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)octanoate Structure

(4S,6S)-methyl ...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~96%

(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

Learn More

(2S)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylpropanal Structure

(2S)-3-[[(1,1-d...

~%

(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

Learn More

(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

Learn More

(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4S,6R)-methyl 4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)oct-7-enoate Structure

(4S,6R)-methyl ...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4S,6R)-methyl 4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)oct-7-enoate Structure

(4S,6R)-methyl ...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6R)-methyl 4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)oct-7-enoate Structure

(4S,6R)-methyl ...

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(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6R)-methyl 4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)oct-7-enoate Structure

(4S,6R)-methyl ...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6R)-methyl 4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)oct-7-enoate Structure

(4S,6R)-methyl ...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4S,6R)-methyl 4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)oct-7-enoate Structure

(4S,6R)-methyl ...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4S,6R)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4S,6R)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6R)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(4S,6R)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4S,6R)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate Structure

(4S,6R)-methyl ...

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(2S)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylpropanal Structure

(2S)-3-[[(1,1-d...

~%

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(16S,18S)-16,18-dimethyl-10-phenyl-18-(2-trimethylsilylethoxymethoxy)[11]cytochalasa-6(7),13t-diene-1,21-dione Structure

(16S,18S)-16,18...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(16S,18S)-16,18-dimethyl-10-phenyl-18-(2-trimethylsilylethoxymethoxy)[11]cytochalasa-6(7),13t-diene-1,21-dione Structure

(16S,18S)-16,18...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(16S,18S)-16,18-dimethyl-10-phenyl-18-(2-trimethylsilylethoxymethoxy)[11]cytochalasa-6(7),13t-diene-1,21-dione Structure

(16S,18S)-16,18...

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(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(16S,18S)-16,18-dimethyl-10-phenyl-18-(2-trimethylsilylethoxymethoxy)[11]cytochalasa-6(7),13t-diene-1,21-dione Structure

(16S,18S)-16,18...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(16S,18S)-16,18-dimethyl-10-phenyl-18-(2-trimethylsilylethoxymethoxy)[11]cytochalasa-6(7),13t-diene-1,21-dione Structure

(16S,18S)-16,18...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(16S,18S)-16,18-dimethyl-10-phenyl-18-(2-trimethylsilylethoxymethoxy)[11]cytochalasa-6(7),13t-diene-1,21-dione Structure

(16S,18S)-16,18...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

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(2S)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylpropanal Structure

(2S)-3-[[(1,1-d...

~%

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

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(2S)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylpropanal Structure

(2S)-3-[[(1,1-d...

~%

(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol Structure

(2R,4R)-5-(dime...

~%

(S)-1-benzoyl-5-benzyl-3-((4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-((2-(trimethylsilyl)ethoxy)methoxy)tetradeca-8,10,12-trienoyl)-1H-pyrrol-2(5H)-one Structure

(S)-1-benzoyl-5...

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(2R,4R)-5-(dimethyl-t-butylsiloxy)-2-hydroxy-2,4-dimethylpentanal Structure

(2R,4R)-5-(dime...

~%

(S)-1-benzoyl-5-benzyl-3-((4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-((2-(trimethylsilyl)ethoxy)methoxy)tetradeca-8,10,12-trienoyl)-1H-pyrrol-2(5H)-one Structure

(S)-1-benzoyl-5...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(S)-1-benzoyl-5-benzyl-3-((4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-((2-(trimethylsilyl)ethoxy)methoxy)tetradeca-8,10,12-trienoyl)-1H-pyrrol-2(5H)-one Structure

(S)-1-benzoyl-5...

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(4R,6R,2E)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(S)-1-benzoyl-5-benzyl-3-((4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-((2-(trimethylsilyl)ethoxy)methoxy)tetradeca-8,10,12-trienoyl)-1H-pyrrol-2(5H)-one Structure

(S)-1-benzoyl-5...

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(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate Structure

(4R,6R,2E)-meth...

~%

(S)-1-benzoyl-5-benzyl-3-((4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-((2-(trimethylsilyl)ethoxy)methoxy)tetradeca-8,10,12-trienoyl)-1H-pyrrol-2(5H)-one Structure

(S)-1-benzoyl-5...

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(2E,4R)-ethyl 5-((tert-butyldimethylsilyl)oxy)-2,4-dimethylpent-2-enoate Structure

(2E,4R)-ethyl 5...

~%

(S)-1-benzoyl-5-benzyl-3-((4S,6S,8E,10E,12E)-4,6,12-trimethyl-4-((2-(trimethylsilyl)ethoxy)methoxy)tetradeca-8,10,12-trienoyl)-1H-pyrrol-2(5H)-one Structure

(S)-1-benzoyl-5...

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