✦ LIBER ✦

Reduction of a 3,4-cyclic-substituted 2H-1-benzopyran-2-one with lithium in liquid ammonia

✍ Scribed by R. A. Driessen; C. A. Salemink

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 157 KB
Volume: 101
Category: Article
ISSN: 0165-0513
DOI: 10.1002/recl.19821010305

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✦ Synopsis

Abstract

Reduction of the α,β‐unsaturated lactone system in 1‐hydroxy‐3‐pentyl‐7,8‐dihydro‐spiro[dibenzo[b,d]pyran‐9,2′‐[1,3]dioxolan]‐6(10H)‐one (3) with lithium in liquid ammonia leads to cis products.

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