Tin(II) Trifluoromethanesulfonate-Catalyzed Highly Selective Synthesis of 2-Substituted 4-Methylenetetrahydropyrans from Trimethyl{2-[2-(trimethylsiloxy)ethyl]allyl}silane and Acetals
A variety of 2-substituted 4-methylenetetrahydropyrans are easily produced by the reaction of acetals with trimethyl2-[2-(trimethylsiloxy)ethyl]allyl}silane under the influence of a catalytic amount of tin(II) trifluoromethanesulfonate.
The present invention relates to perfuming compositions and consumer products that contain compounds of formula
in the form of any one of its stereoisomers or a mixture thereof and wherein one R represents a methyl group and the other R is a hydrogen atom. The compounds are useful as perfuming ingredients in particular to impart lily of the valley/gardenia odor notes to the composition or product.
本发明涉及含有式化合物的香水组合物和消费品。
其中一个 R 代表甲基,另一个 R 是氢原子。这些化合物可用作香水成分,特别是为组合物或产品增添铃兰/栀子花的香味。
Condensation of 3-methyl-3-buten-1-ol with some ketones
作者:U. G. Ibatullin、T. F. Petrushina、Z. M. Nurtdinova、Yu. N. Popov、M. G. Safarov
DOI:10.1007/bf00522725
日期:1986.7
US9982218B2
申请人:——
公开号:US9982218B2
公开(公告)日:2018-05-29
[EN] ALCOHOL WITH FLORAL ODOR<br/>[FR] ALCOOL À PARFUM FLORAL
申请人:FIRMENICH & CIE
公开号:WO2015067452A1
公开(公告)日:2015-05-14
The present invention relates to compounds of formula (I) in the form of any one of its stereoisomers or a mixture thereof and wherein one R represents a methyl group and the other R is a hydrogen atom; which are useful as perfuming ingredients.