US 6,271,193 B1 · Carbon containing functional group substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, processes for preparing same and uses thereof

Abstract

Described are carbon-containing functional groups substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, process for processes for preparing same, and uses thereof. The 4,5,6,7-tetrahydro-polyalkylated-4-indanes have the generic structure: Wherein G and R1-5 are as defined in the specification. The aforementioned materials have fragrance properties or are intermediates for materials which have fragrance properties. Also described are processes for producing the aforementioned substances.

Claims19

Dependent claims

A compound defined according to the structure:

wherein R1, R2, R4 and R5 are the same or different methyl or ethyl and R3 is hydrogen or methyl with the provisos that:
(i) when R3 is hydrogen, one of R1, R2, R4 and R5 is ethyl and the other is methyl;
and
(ii) when R3 is methyl, then one of R1, R2, R4 and R5 is methyl;
and wherein G is a moiety selected from the group consisting of:
and wherein R6 and R7 are C1-C3 lower alkyl.

3 more elements

Dependencies are inferred from the claim text.

Carbon containing functional group substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, processes for preparing same and uses thereof

Life of this patent

Carbon containing functional group substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, processes for preparing same and uses thereof

Life of this patent

Abstract

Claims19