Structure of PHOSPHINEOXIDE,[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYL-,[3S-(1Z,3A,5B0)] CAS 81522-68-1

PHOSPHINEOXIDE,[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYL-,[3S-(1Z,3A,5B0)] CAS 81522-68-1

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Identification

CAS Number

161265-03-8

Name

PHOSPHINEOXIDE,[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYL-,[3S-(1Z,3A,5B0)]

Synonyms

[(2Z)-2-[(3S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine Oxide
{(2Z)-2-[(3S,5R)-3,5-Bis{[dimethyl(2-methyl-2-propanyl)silyl]oxy}-2-methylencyclohexyliden]ethyl}(diphenyl)phosphinoxid [German] [ACD/IUPAC Name]
{(2Z)-2-[(3S,5R)-3,5-Bis{[dimethyl(2-methyl-2-propanyl)silyl]oxy}-2-methylenecyclohexylidene]ethyl}(diphenyl)phosphine oxide [ACD/IUPAC Name]
{(2Z)-2-[(3S,5R)-3,5-Bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylenecyclohexylidene]ethyl}(diphenyl)phosphine oxide
3S-(1Z,3a,5b)]-[2-[3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-cyclohexylidene]-ethyl]diphenyl-phosphine oxide
81522-68-1 [RN]
Oxyde de {(2Z)-2-[(3S,5R)-3,5-bis{[diméthyl(2-méthyl-2-propanyl)silyl]oxy}-2-méthylènecyclohexylidène]éthyl}(diphényl)phosphine [French] [ACD/IUPAC Name]
Phosphorane, [(2Z)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-, oxide [ACD/Index Name]
[3S-(1Z,3a,5b)]-[2-[3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphineoxide
[3S-(1Z,3A,5B)]-[2-[3,5-BIS[[(TERTBUTYL)DIMETHYLSILYL]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYLPHOSPHINEOXIDE
{(2Z)-2-[(3S,5R)-3,5-Bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylidenecyclohexylidene]ethyl}(oxo)diphenyl-λ5-phosphane
1393442-54-0 [RN]
CID 11124745
MFCD08703326 [MDL number]
Phosphine oxide, [(2Z)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-
PHOSPHINEOXIDE,[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYL-,[3S-(1Z,3A,5B0)]
PI-46429
tert-butyl({[(1R,3S,5Z)-3-[(tert-butyldimethylsilyl)oxy]-5-[2-(diphenylphosphoroso)ethylidene]-4-methylidenecyclohexyl]oxy})dimethylsilane
Tert-butyl-[(1R,3S,5Z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane

SMILES

O=P(c1ccccc1)(c2ccccc2)C/C=C3\C(=C)[C@@H](O[Si](C(C)(C)C)(C)C)C[C@H](O[Si](C)(C(C)(C)C)C)C3

StdInChI

InChI=1S/C33H51O3PSi2/c1-26-27(22-23-37(34,29-18-14-12-15-19-29)30-20-16-13-17-21-30)24-28(35-38(8,9)32(2,3)4)25-31(26)36-39(10,11)33(5,6)7/h12-22,28,31H,1,23-25H2,2-11H3/b27-22-/t28-,31+/m1/s1

StdInChIKey

MDDUHVRJJAFRAU-YZNNVMRBSA-N

Molecular Formula

C33H51O3PSi2

Molecular Weight

582.90

MDL Number

MFCD08703326

Properties

Appearance

Colorless to light yellow oily liquid

Safety Data

RIDADR 

NONH for all modes of transport

WGK Germany

3

Specifications and Other Information of Our PHOSPHINEOXIDE,[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYL-,[3S-(1Z,3A,5B0)] CAS 81522-68-1

Identification Methods

HNMR, CHNMR,MS

Purity

98%min

Trans impurity

≤0.5%

1-epimers

≤0.2%

3-epimers

≤0.2%

Shelf Life

2 years

Storage

Preserve in tight, light-resistant containers and temperature is -20℃ and below.

Productivity

5-6kg/year

Known Application

Used as the Maxacalcitol intermediates.

This product is developed by our R&D company Caming Pharmaceutical Ltd (https://www.caming.com/).

This product is developed by our R&D company Watson International Ltd (https://www.watson-int.com/).