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    • 79. 发明授权
    • Branched chain ketones used in augmenting or enhancing the aroma of
perfumes, colognes and perfumed articles and the like process for
preparing same
    • 用于增加或增强香水,古龙水和香水制品香气的分支链酮及其制备方法
    • US4425264A
    • 1984-01-10
    • US384962
    • 1982-06-04
    • Richard M. BodenTheodore J. Tyszkiewicz
    • Richard M. BodenTheodore J. Tyszkiewicz
    • C07C45/46C07C49/04C11B9/00A61K7/46
    • C11B9/0007C07C45/46C07C49/04
    • Described are acylated derivatives of triisobutylene defined according to the generic structures: ##STR1## wherein, in each of the molecules one of the dashed lines represents a carbon-carbon double bond and each of the other of the dashed lines represents a carbon-carbon single bond; and wherein, in each of the molecules R.sub.3 represents methyl or ethyl; uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic, zwitterionic detergents, cosmetic powders, hair sprays and the like) as well as processes for preparing same by first trimerizing isobutylene to form one or more compounds defined according to at least one of the structures: ##STR2## wherein in each of the molecules one of the dashed lines represents a carbon-carbon double bond and each of the other dashed lines represent carbon-carbon single bonds; and then reacting one or more of these trimerized isobutylene derivatives with an acyl anhydride having the structure: ##STR3## wherein, R.sub.1 and R.sub.2 are the same or different and each represents methyl or ethyl in the presence of a Lewis acid catalyst such as boron trifluoride etherate or stannic chloride thereby forming the acylated branched chain ketones of our invention defined according to at least one of the structures: ##STR4##
    • 描述了根据通用结构定义的三异丁烯的酰化衍生物:其中,在每个分子中,虚线之一表示碳 - 碳双键,并且每个 虚线表示碳 - 碳单键; 并且其中,在每个分子中,R 3表示甲基或乙基; 用于增强或增强香水组合物,古龙水和香料制品(例如固体或液体阴离子,阳离子,非离子,两性离子洗涤剂,化妆品粉末,喷发剂等)的香气以及通过首先三聚制备方法 异丁烯以形成根据以下结构中的至少一个所定义的一种或多种化合物:其中在每个分子中,虚线之一表示碳 - 碳双键,并且每个其它虚线 代表碳 - 碳单键; 然后将这些三聚异丁烯衍生物中的一种或多种与具有以下结构的酰基酸反应:其中,在路易斯酸催化剂如三氟化硼存在下,R 1和R 2相同或不同,各自表示甲基或乙基 乙醚化物或氯化锡,从而形成我们发明的酰化支链酮,其根据以下结构中的至少一个限定: + TR