Geoffrey C. Crockett, T. Koch
Apr 28, 2003
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Journal
Organic Syntheses
Abstract
Photochemical ring contraction of 2-ethoxypyrrolin-5-ones to cyclopropanone derivatives: tert-butyl N-(1-ethoxycyclopropyl)carbamate intermediate: silver salt of succinimide intermediate: 6.26 g. (0.0493 mole) of redistilled 2-ethoxypyrrolin-5-one product: tert-butyl N-(1-ethoxycyclopropyl)carbamate Keywords: alkylation, O-alkylation; carbonylation; metalation reactions, silver; photochemical reactions; rearrangements; tert-butyl alcohol; chloroform; sodium ethoxide solution, preparation; succinimide silver salt; chlorosulfonyl isocyanate, violent reaction with water; photochemical apparatus; photochemical apparatus, immersion well, quartz, waterjacketed