Facile and selective metalation of 7-dehydrocholesterol (pro-vitamin D3)

1984
Article

Résumé

Successive treatment of 7-dehydrocholesterol (I) with Me3SiCH2K in THF, dry ice, mineral acid, and diazomethane gives a regioisomerically pure, homoconjugated ester II as a diastereomeric mixt., the minor component of which is thermodynamically more stable than the conjugated isomer III. [on SciFinder (R)]

Source officielle

https://infoscience.epfl.ch/record/81559?ln=fr

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Proximité ontologique

Physique

Thermodynamique: Statistical mechanics

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