Bis-TBDMS-trans-calcipotriol

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Names

[ CAS No. ]:
112849-27-1

[ Name ]:
Bis-TBDMS-trans-calcipotriol

[Synonym ]:
Cyclopropanemethanol, α-[(1E,3R)-3-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-but en-1-yl]-, (αS)-
(1S,3R,5E,7E,22E,24S)-1,3-Bis{[dimethyl(2-methyl-2-propanyl)silyl]oxy}-26,27-cyclo-9,10-secocholesta-5,7,10,22-tetraen-24-ol
Trans-Calcipotriol-bis-TBDMS-ether

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
628.2±55.0 °C at 760 mmHg

[ Molecular Formula ]:
C39H68O3Si2

[ Molecular Weight ]:
641.126

[ Flash Point ]:
333.7±31.5 °C

[ Exact Mass ]:
640.470703

[ PSA ]:
38.69000

[ LogP ]:
12.56

[ Vapour Pressure ]:
0.0±4.2 mmHg at 25°C

[ Index of Refraction ]:
1.515

[ Storage condition ]:
-20°C

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (5E,24R)-1,3-Bis-O-(tert-Butyldimethylsilyl)-calcipotriene
  • (R,E)-4-((1R,3As,7Ar,E)-4-((E)-2-((3S,5R)-3,5-Bis(Tert-Butyldimethylsilyloxy)-2-Methylenecyclohexylidene)Ethylidene)-7A-Methyloctahydro-1H-Inden-1-Yl)-1-Cyclopropylpent-2-En-1-One
  • 1-Cyclopropylethanone
  • tert-Butyldimethylsilyl chloride
  • Vitamin D2 SO2 Adduct
  • (7Z)-Vitamin D2
  • (S)-2-((1R,3aS,7aR,E)-4-((E)-2-((S)-5-((tert-butyldimethylsilyl)oxy)-2-Methylenecyclohexylidene)ethylidene)-7a-Methyloctahydro-1H-inden-1-yl)propanal
  • 20(R),3(R)-(tert-butyldimethylsilyloxy)-20-(3'-cyclopropyl-3'-oxoprop-1'(E)-enyl)-9,10-secopregna-5(Z),7(E),10(19)-triene
  • 3(S)-tert-butyldimethylsilyloxy-20(S)-formyl-9,10-secoprega-5,7(E),10(19)-triene
  • 3(S)-tert-butyldimethylsilyloxy-20(S)-formyl-9,10-secoprega-5,7(E),10(19)-triene

DownStream

  • Calcipotriene
  • Impurity F of Calcipotriol

Related Compounds

  • bis(trans-3,3,5-trimethylcyclohexyl) phthalate
  • bis(trans-2-phenylethenyl)sulfone
  • bis-(trans-4-tert-butyl-cyclohexanecarbonyl)-peroxide
  • bis{trans-{(cyclooctene)-μ-chloro{bis{bis(trimethylsilyl)methyl}phosphine}dirhodium(I)}}
  • bis(trans-2-methylcyclohexyl)propylborane
  • Bis-(trans-4-pentyl-cyclohexancarbonsaeure)-hydrochinonester