Liebigs Annalen der Chemie

Hydrogenolyse kleiner Kohlenstoffringe, XI. Die Hydrierung von Bicyclo [1.1. 0] butan??1??und??2??carbonsäureestern

W Hertzsch, H Musso

Index: Hertzsch, Winfried; Musso, Hans Liebigs Annalen der Chemie, 1985 , # 7 p. 1485 - 1491

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Abstract

Abstract Bei der Hydrierung von Bicyclo [1.1. 0] butan-2-carbonsäure-ethylester (1) über Pd/C in Ethanol unter Normalbedingungen entstehen 95% 2-Methylbuttersäure-ethylester (2) und 5% n-Valeriansäure-ethylester (3). Die Hydrierung des Bicyclo [1.1. 0] butan-1- carbonsäure-ethylester (8) liefert neben 99% 2 auch weniger als 1% Cyclobutan-und Methylcyclopropan-carbonsäureester 5 und 9. Hierbei lassen sich 2-Methylenbuttersäure- ...

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