๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

[2,3] Wittig ring contraction: synthesis of p-menthane derivatives

โœ Scribed by Marshall, James A.; Lebreton, Jacques

Book ID
127030591
Publisher
American Chemical Society
Year
1988
Tongue
English
Weight
710 KB
Volume
53
Category
Article
ISSN
0022-3263

No coin nor oath required. For personal study only.

๐Ÿ“œ SIMILAR VOLUMES

Synthesis of 1,2,3-trihydroxy-p-menthane
Synthesis of 1,2,3-trihydroxy-p-menthanes
โœ A. Baragliu; G. Grandolini; C. Rossi; C.G. Casinovi ๐Ÿ“‚ Article ๐Ÿ“… 1980 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 573 KB
Enantioselective [2,3] wittig ring contr
Enantioselective [2,3] wittig ring contraction induced by chiral bases. The total synthesis and absolute configuration of (+)-aristolactone
โœ James A. Marshall; Jacques Lebreton ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 221 KB

Wittig ring contraction of the achiral 13-membered acetylenic ether 1 via treatment with lithio (R,R) or (S,S)-his-(1-phenylethyl)amide afforded the (RI-( +) or (S)-(-)-propargylic alcohol (+ J-2 or (-1-2, respectively, of >60% ee in 75% yield.