Phosphine oxide, [(2Z)-2-[(3S,5S)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl- synthesis

2synthesis methods

Product Name:Phosphine oxide, [(2Z)-2-[(3S,5S)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-
CAS Number:215929-37-6
Molecular formula:C33H51O3PSi2
Molecular Weight:582.9

Ethanol, 2-[(3S,5S)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]-, (2Z)-

215929-41-2
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Phosphine oxide, [(2Z)-2-[(3S,5S)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethyl]diphenyl-

215929-37-6
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Yield:-

Steps:

Multi-step reaction with 2 steps
1.1: 91 percent / N-chlorosuccinimide; dimethyl sulfide / CH₂Cl₂ / -20 - 20 °C
2.1: n-BuLi / tetrahydrofuran; hexane / 0.17 h / -50 °C
2.2: 72 percent / aq. H₂O₂ / CHCl₃; tetrahydrofuran / 1.5 h / 20 °C

References:

Hatakeyama, Susumi;Okano, Toshio;Maeyama, Junji;Esumi, Tomoyuki;Hiyamizu, Hiroko;Iwabuchi, Yoshiharu;Nakagawa, Kimie;Ozono, Keiichi;Kawase, Akira;Kubodera, Noboru [Bioorganic and Medicinal Chemistry,2001,vol. 9,# 2,p. 403 - 415]

81522-68-1 Synthesis

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

81522-68-1
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215929-37-6
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References