ChemicalBook >> CAS DataBase List >>Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)]

Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)]

CAS No.
81522-68-1
Chemical Name:
Phosphine oxide, [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(tert-butyldimethylsilanyloxy)-2-methylenecyclohexylidene]ethyl]diphenylphosphine oxide;[3S-(1Z;5-bis-{[(1;5b)]-[2-{3;Maxacalcitol N-2;INTERMEDIATEFORVITAMIND;A ring double TBS intermediate;Carbotriol A ring double TBS intermediate;[3S-(1Z,3a,5b)]-[2-[3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-...;Phosphineoxide, [2-{3,5-bis[[(1,1-dimethylethyl)dimethylsily Iloxy]-2-methyle
CBNumber:
CB9843295
Molecular Formula:
C33H51O3PSi2
Molecular Weight:
582.9
MDL Number:
MFCD08703326
MOL File:
81522-68-1.mol
MSDS File:
SDS
Last updated:2026-09-12 18:56:37

Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)] Properties

Melting point 36-37 °C
Boiling point 571.9±50.0 °C(Predicted)
Density 1.02±0.1 g/cm3(Predicted)
InChIKey MDDUHVRJJAFRAU-YZNNVMRBSA-N
SMILES P(=O)(C/C=C1/C[C@@H](O[Si](C(C)(C)C)(C)C)C[C@H](O[Si](C(C)(C)C)(C)C)C/1=C)(C1=CC=CC=C1)C1=CC=CC=C1

Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)] price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Synthonix B66182 ((Z)-2-((3S,5R)-3,5-Bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphine oxide >98% 81522-68-1 100mg $160 2026-05-06 Buy
Synthonix B66182 ((Z)-2-((3S,5R)-3,5-Bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphine oxide >98% 81522-68-1 250mg $280 2026-05-06 Buy
Synthonix B66182 ((Z)-2-((3S,5R)-3,5-Bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphine oxide >98% 81522-68-1 1g $610 2026-05-06 Buy
aablocks AA00G34K ((Z)-2-((3S,5R)-3,5-Bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphine oxide >98% 81522-68-1 100mg $203 2026-05-28 Buy
aablocks AA00G34K ((Z)-2-((3S,5R)-3,5-Bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphine oxide >98% 81522-68-1 250mg $337 2026-05-28 Buy
Product number Packaging Price Buy
B66182 100mg $160 Buy
B66182 250mg $280 Buy
B66182 1g $610 Buy
AA00G34K 100mg $203 Buy
AA00G34K 250mg $337 Buy

Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)] Chemical Properties, Uses, Production

Uses

[(2Z)-2-[(3S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine Oxide is used as a reagent in the preparation of hydroxymethylated dihydroxyvitamin D3 analogs which have antitumor and transactivation activity.

81506-25-4
4559-70-0
81522-68-1
Synthesis of Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)] from Cyclohexane, 1-(2-chloroethylidene)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-, (1Z,3S,5R)- and Diphenylphosphine oxide

Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)] Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 91)
Supplier Tel Email Country ProdList Advantage
Hydragon Pharma Ltd 021-50215258 market@hypharma.com China 320 58
Shanghai Eyougene Biotechnology Development Co.,Ltd. 13564545227 sales@eyougene.com China 165 58
Gansu Haotian PharmaTech Co.,Ltd. 17789447501 zhuanxiajiang@haotianpharm.com China 211 58
Bayee Biotech (Anqing) Co., Ltd. 0556-5032306 18917961636 wtx@bayeebio.com China 145 61
Pure Chemistry Scientific Inc. 001-857-928-2050 or 1-888-588-9418 sales@chemreagents.com United States 10174 62
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Hubei XinyuanShun Chemical Co., Ltd. 13971561712, 13995564702, 027-50664929 hbeixys2001@163.com China 3110 55
Hunan HuaTeng Pharmaceutical Co., Ltd., 400-8592883 15367835770 sales@huatengsci.com China 5869 58
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66028182 17714375163 yftan@aikonchem.com China 16674 50
Gansu HaoTian Chemical Technology Co., Ltd. 0943-6900332 17789447501 zhuanxiajiang@haotianpharm.com China 182 55

View Latest Price from Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)] manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
[(2Z)-2-[(3S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine Oxide  pictures 2021-02-08 [(2Z)-2-[(3S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine Oxide
81522-68-1
$12.00 1KG 99% 100 ton Shaanxi Dideu Medichem Co. Ltd
3S-(1Z,3A,5B)]-[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILYL]OXY]-2-METHYLENE-CYCLOHEXYLIDENE]-ETHYL]DIPHENYL-PHOSPHINE OXIDE INTERMEDIATEFORVITAMIND [3S-(1Z,3a,5b)]-[2-[3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphineoxide [3S-(1Z 1-diMethylethyl)-diMethylsilyl]-oxy}-2-Methylenecyclohexylidene}-ethyl] -diphenyl phosphine oxide 5b)]-[2-{3 (2Z)-2-[(3S,5R)-3,5-bis(tert-butyldimethylsilanyloxy)-2-methylenecyclohexylidene]ethyl]diphenylphosphine oxide A ring double TBS intermediate 3s-(1z,3a,5b)-[2-[3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-cyclohexylidene]-ethyl]diphenyl-phosphineoxide 5-bis-{[(1 PHOSPHINEOXIDE,[2-[3,5-BIS[[(1,1-DIMETHYLETHYL)DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHYL]DIPHENYL-,[3S-(1Z,3A,5B0)] Phosphine oxide, [(2Z)-2-[(3S,5R)-3,5-bis[[(1,1-diMethylethyl)diMethylsilyl]oxy]-2-Methylenecyclohexylidene]ethyl]diphenyl- (3S-(1Z,3a,5b))-(2-(3,5-bis-((1.1-dimethylethy)-dimethylsilyl)-oxy)-2-methylenecyclohexylidene)-ethy)diphenyl phosphine oxide Phosphineoxide, [2-[3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3S-(1Z,3a,5b)]- ((Z)-2-((3R,5S)-3,5-Bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphineoxide ((Z)-2-((3S,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethyl)diphenylphosphine oxide [(2Z)-2-[(3S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine Oxide oxide,[(2Z)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl- [3S-(1Z,3a,5b)]-[2-[3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-... Carbotriol A ring double TBS intermediate Phosphineoxide, [2-{3,5-bis[[(1,1-dimethylethyl)dimethylsily Iloxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3S-(1Z,3a,5b)]- Phosphineoxide,[(2Z)-2-{[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilylloxy]-2-methylenecyclohexylidene]ethyl]diphenyl- Maxacalcitol N-2 PHOSPHINE OXIDE, [2-[3,5-BIS [[(1,1-DIMETHYLETHYL) DIMETHYLSILY]OXY]-2-METHYLENECYCLOHEXYLIDENE]ETHY Phosphineoxide, [2-{3,5-bis[[(1,1-dimethylethyl)dimethylsily Iloxy]-2-methyle Phosphine oxide, [2-[3,5-bis [[(1,1-dimethylethyl) dimethylsily]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-,[3s-(1z,3a,5b0)] 81522-68-1 C33H51O3PSi2