Tetrahedron

A facile method for synthesis of three carbon-homologated carboxylic acid by regioselective ring-opening of β-propiolactones with organocopper reagents

M Kawashima, T Sato, T Fujisawa

Index: Sato, Toshio; Kawara, Tatsuo; Kawashima, Masatoshi; Fujisawa, Tamotsu Chemistry Letters, 1980 , p. 571 - 574

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Citation Number: 44

Abstract

Organocopper reagents, such as diorganocuprates, organocopper-tributylphosphine, and Grignard reagents in the presence of a copper (I) salt, reacted with β-propiolactones by regioselectlve β-carbon-oxygen fission to give 3-substituted propionic acids. Among these

1823-54-7

3-methyloxetan-2-one

~89%

~60%

~83%

~87%

~23%

~58%

~53%

~83%

~78%

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