单词	allyl
释义	allyl /ˈalʌɪl / /ˈalɪl/ noun [as modifier] Chemistry Of or denoting the unsaturated hydrocarbon radical —CH2CH=CH2: allyl alcohol... The biosynthesis of many important primary metabolites (such as cholesterol) proceed through intermediates that contain the allyl alcohol functional group. Epichlorohydrin is an important epoxide whose creation comes mainly from hydrochlorination of allyl chloride. Garlic and onions are medicinal for their allyl sulphides antioxidant and detoxifying activity. Derivatives allylic /əˈlɪlɪk/ adjective ... An example that Blackmond often uses is the asymmetric hydrogenation of the allylic alcohols geraniol and its isomers (g geraniol and nerol) carried out while she was at Merck. For substances containing allyl or allylic side chains a direct mechanism of action involving an allylic cation which then reacts with nucleophilic centers of nucleic acid bases has been discussed in the literature. Decomposition of these primary photoproducts to give secondary products arising from allylic hydroperoxide degradation - either by Hock rearrangement or by alkenyl ether epoxidation - was also observed. Origin Mid 19th century: from Latin allium 'garlic' + -yl.
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