Carboalkoxy alkyl norbornanes and process for preparing same

Details Carboalkoxy alkyl norbornanes and process for preparing same Carboalkoxy alkyl norbornanes and process for preparing same

1980-03-25

1982-03-09

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

131310, 252 86, 25217411, 252522R, 424127, 424167, 426534, C07C 69753, C07C 67347

Patent

active

043190367

ABSTRACT:
Described are compounds having the generic structure: ##STR1## wherein the dashed line is either a carbon-carbon single bond or a carbon-carbon double bond and each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represents hydrogen or methyl with the proviso that one of R.sub.2 and R.sub.1 is methyl and the other of R.sub.1 or R.sub.2 is hydrogen and R.sub.3 and R.sub.4 are not both methyl; and wherein R.sub.5 represents C.sub.1 -C.sub.4 alkyl are disclosed. In addition organoleptic uses of such compounds are disclosed for augmenting or enhancing the aroma or taste of consumable materials including foodstuffs, chewing gums, chewing tobaccos, medicinal products, toothpastes, perfumes, perfumed articles (such as liquid or solid anionic, cationic, nonionic or zwitterionic detergents) fabric softeners, dryer added fabric softener articles, and smoking tobaccos. Also disclosed is a process for preparing such compounds according to the reaction scheme: ##STR2## wherein R' represents C.sub.1 -C.sub.3 alkyl; m+n equals 3 with the proviso that m is one or two and n is one or two; and wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are defined as above.

REFERENCES:
patent: 2262002 (1941-11-01), Hopff et al.
patent: 2425173 (1947-08-01), Bruson
patent: 3033848 (1962-05-01), Caldwell
patent: 3053882 (1962-09-01), Miller
patent: 3068276 (1962-12-01), Miller
patent: 3164573 (1965-01-01), Schweiker
patent: 3796803 (1974-03-01), Strong

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