摘要:
Novel cyclopentane derivatives of the formula: ##STR1## wherein R.sup.1 and R.sup.4 each represents an alkyl group and R.sup.2 and R.sup.3 each represents a hydrogen atom or alkyl group, are useful as aroma chemicals.
摘要:
Novel cyclohexane derivatives of the formula: ##STR1## wherein R.sup.1 represents an alkyl group, R.sup.2 and R .sup.3 each represents a hydrogen atom or an alkyl group, and X represents an epoxy or hydroxy group; are useful as aroma chemicals.
摘要:
Novel tertiary alcohols of the general formula: ##STR1## in which R.sub.1 represents an alkenyl or a cycloalkyl or cycloalkenyl optionally substituted by one or more alkyl groups, R.sub.2 represents hydrogen or alkyl; or R.sub.1 and R.sub.2, together with the carbon atom to which they are linked, from a bicyclo group optionally substituted by up to two alkyl groups; R.sub.3 and R.sub.4 each represents an alkyl group, and Y represents a divalent aliphatic group of up to 4 carbon atoms, are disclosed along with their use as aroma chemicals and a process for their preparation.
摘要翻译:新的叔醇,其通式为:其中R 1表示任选被一个或多个烷基取代的烯基或环烷基或环烯基,R 2表示氢或烷基; 或R 1和R 2与它们所连接的碳原子一起,由任选被至多两个烷基取代的双环基团组成; R 3和R 4各自表示烷基,Y表示至多4个碳原子的二价脂族基团,以及它们作为芳香化学品的用途及其制备方法。
摘要:
A process for the preparation of 2,2-bis(3,5-di-t-butyl-4-hydroxyphenyl)propane by reacting isobutylene with diphenylolpropane in the presence of a substantially anhydrous aromatic sulfonic acid.