Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1979-05-15
1980-04-01
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 3302
Patent
active
041963067
ABSTRACT:
Process intermediates are described herein having the generic structure: ##STR1## wherein X is selected from the group consisting of chloro, bromo and iodo; R.sub.3 is hydrogen or does not represent any group; wherein one of the wavy lines is a carbon-carbon double bond and the other of the wavy lines is a carbon-carbon single bond; with the proviso that when the .DELTA..sup.2,3 bond is a carbon-carbon double bond, then R.sub.3 is hydrogen and R.sub.3 and the moiety: ##STR2## are so juxtaposed that the molecule having the structure: ##STR3## exists in two different isomeric forms; a "+" form and "-" form.
REFERENCES:
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patent: 3852355 (1974-12-01), Rautenstrauch et al.
patent: 3886215 (1975-05-01), Desimone et al.
patent: 4054606 (1977-10-01), Naf
Heilbron et al., "J. Chem. Soc.", (1949), pp. 2023-2027.
Kasper Robin
Kiwala Jacob
Mookherjee Braja D.
Schmitt Frederick L.
Trenkle Robert W.
Evans Joseph E.
International Flavors & Fragrances Inc.
Liberman Arthur L.
Wolffe Franklin D.
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