Preparation of branched fatty acids from .ALPHA.-olefins and synthesis of diester-type lubricating oils from the acids.

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  • α-オレフィンからの分枝脂肪酸の生成とジエステル型潤滑油合成への応用

Abstract

Highly branched fatty acids known as neo acids were prepared from hexene-1 or octene-1 using Koch reaction and their corresponding neo alcohols were prepared by reduction of the acids with LiAlH4. They were used for synthesis of diester-type lubricating oils.<br>The diesters were prepared by esterification of the neo acids with glycols (1, 8-octanediol and 1, 10-decanediol) and by esterification of the neo alcohols with dibasic acids (suberic and sebacic acid). These esters were found to be good lubricating oils and, especially, glycol esters of C7-neo acid and suberic acid ester of C7-neo alcohol showed excellent properties which indicated strong possibilities of use as aircraft engine lubricating oils.

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