| 摘要 |
PURPOSE:To provide a fragrance-promoting agent composed of dibenzothiophene or its derivative, effective to strengthen the after-fragrance, and give the thickness, density and deepness of natural fragrance to a compound perfumery having rose-based floral note. CONSTITUTION:The objective fragrnace-promoting agent is composed of one or more compounds selected from dibenzothiophene of formula (X is H, methyl or ethyl) and its derivative. It cannot be anticipated that dibenzothiophene or its alkyl derivative can give natural fragrance by itself, however, it gives a compound perfumery having the thickness, density and deepness of natural fragrance when compounded to a compound perfumery. The dibenzothiophene and its derivative exist in marine sediment, high-boiling fraction of petroleum, etc. as well as rose oil, and can be obtained also as a synthetic product. Dibenzothiophene and its derivative may be used singly or in combination.
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