New compounds having the formula ##EQU1## wherein R.sub.1 represents a hydrocarbon moiety having from 1 to 7 carbon toms, R.sub.2 is hydrogen, methyl or ethyl, and R.sub.3 is hydrogen, formyl or acetyl. The compounds are useful in the preparation, modification and intensification of a great variety of flavor and perfume compositions.
新化合物的
化学式为##EQU1## 其中R.sub.1代表具有1至7个碳原子的碳氢基团,R.sub.2是氢、甲基或乙基,R.sub.3是氢、甲酰基或乙酰基。这些化合物在制备、改性和增强各种口味和香
水组合中非常有用。