The manner where the ring compound, attaching fragrance or the fragrance taste constituent, or you attach and grant the functionality of the fragrance or fragrance taste product, increase, improve and or you modulate, the attaching fragrance constituent, the soap and the fragrance taste constituent, production manner null of the fragrance taste food and the beverage, and the

摘要

NEW MATERIAL: Compd. of formula I (the dotted line indicates the location of a single or double bond; R represents isopropenyl or 1-ethoxy-1-methylethyl). ;EXAMPLE: (E)-2,3,6,7-tetrahydro-4-methyl-2-(3-methyl-1,3-butadienyl) osepin. ;USE: A perfuming agent useful for soap detergent and make-up preparative ingredient. ;PROCESS: A compd. of formula II (Z is a free radical under reaction condition) is reacted with a strong base in the presence of an inert org. solvent (pref. ethylene glycol dimethyl ether mixed with N,N'-dimethyl-N,N'-propylene urea).;COPYRIGHT: (C)1990,JPO