| 摘要 |
Cpds. of formula (I), in which n is 0-3, R is H, OMe, ERt, alkyl gp(s). in positions 6-9 with a total of 6C atoms max., opt. contg. OH, CO or alkoxy gps., R1 is H or 1-4C alkyl, and opt. with a double bond in position 3 and/or 6, used in perfumery and aromas, are made by (a) a Diels-Alder reaction between the proto-anemonin and a conjugated diene; (b) conjugated addns. between the prod. from (a); and
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