115540-28-8
115540-28-8 structure
- Name: ((1R,3R,E)-5-((E)-2-((1R,3As,7Ar)-1-((2R,5R,E)-5,6-Dimethylhept-3-En-2-Yl)-7A-Methyldihydro-1H-Inden-4(2H,5H,6H,7H,7Ah)-Ylidene)Ethylidene)-4-Methylenecyclohexane-1,3-Diyl)Bis(Oxy)Bis(Tert-Butyldimethylsilane)
- Chemical Name: 1(S),3(R)-bis(tert-butyldimethylsiloxy)-9,10-secoergosta-5(E),7(E),10(19),22(E)-tetraene
- CAS Number: 115540-28-8
- Molecular Formula: C40H72O2Si2
- Molecular Weight: 641.16900
- Create Date: 2017-12-29 02:05:17
- Modify Date: 2026-08-23 17:16:21
| Name | 1(S),3(R)-bis(tert-butyldimethylsiloxy)-9,10-secoergosta-5(E),7(E),10(19),22(E)-tetraene |
|---|---|
| Synonyms |
1(S),3(R)-bis(tert-butyldimethylsiloxy)-9,10-secoergosta-5(E),7(E),10,22(E)-tetraene
((1R,3R,E)-5-((E)-2-((1R,3aS,7-1-((2R,5R,E)-5,6-dimethylht-3-en-2-yl)-7a-methyldihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-methylenecyclohexane-1,3 ((1R,3R,E)-5-((E)-2-((1R,3aS,7-1-((2R,5R,E)-5,6-diMethylht-3-en-2-yl)-7a-Methyldihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-Methylenecyclohexane-1,3-diyl)bis(oxy)bis(tert-butyldiMethylsilane) Silane, [[(1β,3β,5E,7E,22E)-9,10-secoergosta-5,7,10,22-tetraene-1,3-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl- (9CI) Doxercalciferol Impurity 9 Calcipotriol Impurity 17 Doxercalciferol Impurity 15 (1S,3R)-bis(tert-butyldimethylsilyloxy)-9,10-seco-ergosta-5(E),7(E),10(19),22(E)-tetraene (1S,3R)-bis(tert-butyldimethylsilyloxy)-9,10-seco-ergosta-5(E),7(E),10,22(E)-tetraene (((1R,3R,E)-5 - ((E)-2 - ((1R,3AS,7)-1 - ((2R,5R Doxercalciferol Impurity 5 ((1R,3R,E)-5-((E)-2-((1R,3aS,7-1-((2R,5R,E)-5,6-dimethylht-3-en-2-yl)-7a-methyldihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diy Doxercalciferol Impurity 8 |
| Molecular Formula | C40H72O2Si2 |
|---|---|
| Molecular Weight | 641.16900 |
| Exact Mass | 640.50700 |
| PSA | 18.46000 |
| LogP | 12.67080 |
|
~%
115540-28-8 |
| Literature: Choudhry, Satish C.; Belica, Peter S.; Coffen, David L.; Focella, Antonino; Maehr, Hubert; et al. Journal of Organic Chemistry, 1993 , vol. 58, # 6 p. 1496 - 1500 |
| Precursor 1 | |
|---|---|
| DownStream 6 | |
![(1S,3R,5E,7E)-1,3-Bis-[(tert-butyldimethylsilyl)oxy]-9,10-secopregna-5,7,10-triene-20-carboxaldehyde structure](https://image.chemsrc.com/caspic/402/112828-13-4.png)
![1(S),3(R)-bis[(tert-butyldimethylsilyl)oxy]-20(R)-formyl-9,10-secopregna-5(E),7(E),10(19)-triene structure](https://image.chemsrc.com/caspic/096/115648-67-4.png)