| abstract |
NEW MATERIAL:A compound shown by the formula I. n USE: An intermediate for synthesizing a perfume substance, or a tobacco flavor substance. Obtainable industrially advantageously. n PREPARATION: 1mol 5-isopropl-8-ethylenedioxy-3-nonen-2-one shown by the formula II is reacted with 1W5mol compound (preferably magnesium allyl bro mide, etc.) shown by the formula CH 2 CHCH 2 HgX in an organic solvent (e.g., THF, etc.) at 20W70°C for 1W50 hours. n COPYRIGHT: (C)1986,JPO&Japio |