Sulphones of the formula: RSO.sub.2 CH.sub.2 CX.dbd.CYCH.sub.2 OR.sub.1 where R is alkyl, aralkyl, alkylaryl or aryl, R.sub.1 is hydrogen or -COR.sub.2 where R.sub.2 is hydrogen, alkyl or aryl, and one of X and Y is methyl and the other is hydrogen are useful for converting terpene and carotenoid compounds into the immediately higher isoprenologue, useful as perfumes, foodstuff dyes, and pharmaceuticals.
化合物的分子式为:RSO.sub.2 CH.sub.2 CX.dbd.CYCH.sub.2 OR.sub.1,其中R是烷基,芳基烷基,烷基芳基或芳基,R.sub.1是
氢或-COR.sub.2,其中R.sub.2是
氢,烷基或芳基,且X和Y中的一个是
甲基,另一个是
氢。这些化合物对于将萜
烯和类
胡萝卜素化合物转化为更高的
异戊二烯类似物具有用处,可用作
香料、食品
染料和药品。