Azulene compounds

Details Azulene compounds Azulene compounds

1975-11-03

1977-03-22

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4318

Patent

active

040137260

ABSTRACT:
Novel compounds of formula ##STR1## wherein R.sup.1 represents a lower alkenyl group or R.sup.11, or taken together with R.sup.4 an oxo group; R.sup.11 represents hydrogen or a lower alkyl group; R.sup.2 represents hydrogen or a lower alkyl group; R.sup.3 represents methyl or methylene; R.sup.4 represents hydroxy or a loweralkoxy, lower alkenyloxy, loweralkoxyloweralkyl or acyloxy group and R.sup.5 represents hydrogen or, when simultaneously R.sup.3 represents methyl and R.sup.1 represents R.sup.11, taken together with R.sup.4 a 3.alpha.,6-epoxide group, and 1,3a-dihydro-derivatives of compounds of formula I wherein R.sup.3 represents methyl and R.sup.5 represents hydrogen.
The use of said compounds as odorants and also processes for their preparation are disclosed.

REFERENCES:
patent: 3935253 (1976-01-01), Naegeli
Takase et al., Chem. Abs. vol. 69 (1968) 58988a.

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