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87417-26-3

(1,1-Dimethylethyl)dimethyl[[(3β,6R,7E,22E)-6,19-sulfonyl-9,10-secoergosta-5(10),7,22-trien-3-yl]oxy]-silane synthesis

1synthesis methods
9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol, (3β,5Z,7Z,22E)- (9CI)

247900-07-8
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(1,1-Dimethylethyl)dimethyl[[(3β,6R,7E,22E)-6,19-sulfonyl-9,10-secoergosta-5(10),7,22-trien-3-yl]oxy]-silane

87417-26-3
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inquiry

-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: liq. SO2 / 0.5 h / Heating
2: 42 percent / imidazole / dimethylformamide / 1.5 h / 20 °C

References:

Calverley [Tetrahedron,1987,vol. 43,# 20,p. 4609 - 4619,4609-4619]