申请人:BASF Aktiengesellschaft
公开号:US04761489A1
公开(公告)日:1988-08-02
Substituted 5-formyl-1,3-dioxepans of the general formula I ##STR1## where R.sup.1 is a straight-chain or branched alkyl radical of 1 to 10 carbon atoms which may furthermore contain oxygen in the form of an ether group, or a 5-membered to 8-membered ring which is unsubstituted or substituted by alkyl groups and/or an alkylene group, has up to 10 carbon atoms and may furthermore contain oxygen in the form of an ether group, R.sup.2 is hydrogen, or R.sup.1 and R.sup.2 together form an alkylene radical of 4 to 10 carbon atoms which is unsubstituted or substituted by alkyl or alkoxy and may furthermore contain oxygen in the form of an ether group, and R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each hydrogen or methyl, and the total number of carbon atoms is not more than 25, their preparation and their use as scents. Particularly interesting compounds are 2-tert-butyl-5-formyl-1,3-dioxepan, 2-isopropyl-5-formyl-1,3-dioxepan, 2-pentyl-4,7-dimethyl-5-formyl-1,3-dioxepan, 2-(2,4,4-trimethylpentyl)-5-formyl-1,3-dioxepan, 9-formyl-7,12-dioxaspiro[5,6]dodecane and 2,4,4,7,7-pentamethyl-5-formyl-1,3-dioxepan.
通式为I的5-甲酰基-1,3-二氧杂环戊烷替代物,其中R1是1到10个碳原子的直链或支链烷基,可能进一步以醚基的形式含有氧,或者是未取代或被烷基和/或烷基烷基取代的5元到8元环,有10个碳原子以及可能进一步以醚基的形式含有氧,R2是氢或R1和R2一起形成4到10个碳原子的烷基,未取代或被烷基或烷氧基取代,可能进一步以醚基的形式含有氧,R3、R4、R5和R6分别是氢或甲基,碳原子总数不超过25。它们的制备和作为香料的用途。特别有趣的化合物是2-叔丁基-5-甲酰基-1,3-二氧杂环戊烷,2-异丙基-5-甲酰基-1,3-二氧杂环戊烷,2-戊基-4,7-二甲基-5-甲酰基-1,3-二氧杂环戊烷,2-(2,4,4-三甲基戊基)-5-甲酰基-1,3-二氧杂环戊烷,9-甲酰基-7,12-二氧杂螺[5,6]十二烷和2,4,4,7,7-五甲基-5-甲酰基-1,3-二氧杂环戊烷。