๐”– Bobbio Scriptorium
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Reactions of epoxides, XII: Doron trifluoride catalysed rearrangements of 5,6-epoxides in the 4,4-dimethylcholestane series.

โœ Scribed by M.P. Hartshorn; D.N. Kirk


Publisher
Elsevier Science
Year
1966
Tongue
French
Weight
192 KB
Volume
7
Category
Article
ISSN
0040-4039

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Reactions of epoxides part XVI. The boro
โœ J.M. Coxon; M.P. Hartshorn; C.N. Muir; K.E. Richards ๐Ÿ“‚ Article ๐Ÿ“… 1967 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 266 KB

The greater yield (61%) of the 6-ketone (2a) from 3a-acetoxy-5,6a-epoxy-5a-cholestane (la) compared with the yield (34%) of B-ketone (2b) from the corresponding 3-deoxy compound has been ascribed' to the energetically favourable conformational change, involving the 3-acetoxy group, in the formation