Aromatic aldehydes and their derivatives

Details Aromatic aldehydes and their derivatives Aromatic aldehydes and their derivatives

1990-04-02

1991-11-26

Reamer, James H.

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

Organic compounds

Oxygen containing

568425, 568592, 512 21, 512 22, 514317, 5142395, 546240, 544177, C07C 4727

Patent

active

050684523

ABSTRACT:
Aromatic aldehydes of formula ##STR1## possessing a single or a double bond in the position indicated by the dotted line and wherein symbol X represents a monovalent radical or formula ##STR2## or, when the dotted line represents a single bond, of formula ##STR3## and wherein symbol Z stands for an oxygen atom or for two R.sup.2 O radicals, each of R.sup.1 and R.sup.2 representing an alkyl radical having from 1 to 3 carbon atoms.
Aromatic aldehydes (I) posses useful odorous properties and can be used as perfuming ingredients for the preparation of perfume bases and perfumed articles. They can also be used as starting materials for the preparation of useful end-products having herbicide and fungicide properties.
Process for the preparation of aromatic aldehydes (I) starting from 8-methoxycuminic aldehyde.

REFERENCES:
patent: 1844013 (1932-02-01), Knorr
patent: 2875131 (1959-02-01), Carpenter et al.
patent: 3548006 (1970-12-01), Schriabine
patent: 4435585 (1984-03-01), Crameri et al.
patent: 4490284 (1984-12-01), Brunke et al.
patent: 4814510 (1989-03-01), Degner et al.
patent: 4910346 (1990-03-01), Chalk

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