Methylenically-substituted undecadienes

Details Methylenically-substituted undecadienes Methylenically-substituted undecadienes

1979-09-13

1983-08-16

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

560 1, 560113, 560129, 560201, 560225, 560244, 560249, 568631, 568632, 568657, 568687, 568690, 568840, 568875, 568904, C07C 3302, C07C 4315, C07C 43215, C07C 69007, C07C 69145, C07C 6924

Patent

active

043993010

ABSTRACT:
Methylenically-substituted undecadiene compounds having the structural formula: ##STR1## wherein X is selected from the group consisting of lower acyloxy, aryloxy having from 6 to 14 carbon atoms, lower alkoxy and hydroxy, and R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11, R.sub.12, R.sub.13, R.sub.14, R.sub.15 and R.sub.16 are independently selected from the group consisting of hydrogen and lower alkyl, with the proviso that at least one of R.sub.3, R.sub.5 and R.sub.6 and at least one of R.sub.9, R.sub.10, R.sub.11 and R.sub.12 must be hydrogen, are prepared by reacting a diene having the structural formula: ##STR2## with a conjugated diene having the structural formula: ##STR3## in the presence of a rhodium/trivalent phosphorus catalyst, with the atomic ratio of the trivalent phosphorus to the rhodium therein being at least 1.5. The compounds can be hydrogenated and saponified to form known alcohols which are precursors for biodegradable detergents.

REFERENCES:
patent: 3728260 (1974-03-01), Hattori et al.
patent: 3981907 (1976-09-01), Hattori et al.
Morita et al., Nippon Kagaku Zasshi, vol. 92, 1971, pp. 861-864.

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