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A New Method of Synthesis of Formylisolongifolene and the Separation of Products

Chen Huizong Jiang Fengchi Lui Yangqing (Department of Chemistry,Jiangxi Normal University,Nanchang 330027)  
Formylisolongifolic cycloalkanes and 2 formylisolongifolene are perfumery with a pronounced cedarwoodvetiver odour of great tenacity,and amber,clear sage dryout.This paper reports a new synthetic method by direct reaction of 2 hydroxymethylisolongifolic cycloalkanes,2 hydroxymethylisolongifolene and overdose 100% chromic acid solution at 0 ℃ in nitrogen.As well as describes the separate method of 2 formylisolongifolic cycloalkanes and 2 formylisolongifolene by means of step elution column chromatography.
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