Tetrahedron

Diols as effective oocatalysts in the phase transfer catalyzed preparation of 1-alkynes from 1, 2-dihalides

EV Dehmlow, R Thieser, Y Sasson, R Neumann

Index: Dehmlow, Eckehard V.; Thieser, Rainer; Sasson, Yoel; Neumann, Ronny Tetrahedron, 1986 , vol. 42, # 13 p. 3569 - 3574

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Citation Number: 24

Abstract

Bis-tertiary diols accelerate bis-eliminations of HX from 1, 2-dihalides in the presence of an onium salt as phase transfer catalyst and potassium hydroxide as base. PEG 400 catalyzes the same elimination, but isomerizations from 1-alkyne to mixtures with the 2-alkyne and ...