Process for the manufacture of compounds containing vinyl groups

Details Process for the manufacture of compounds containing vinyl groups Process for the manufacture of compounds containing vinyl groups

1973-06-27

1977-04-05

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260240D, 2602401, 2602409, 260290R, 260308R, 2603325, 8 1W, C07C14324

Patent

active

040162036

ABSTRACT:
A novel process for the production of compounds of the formula ##STR1## wherein A and A.sub.1, independently of one another, denote phenyl, naphthyl, diphenylyl, 2-phenyl-1,2,3-triazol-4-yl or pyridyl, it being possible for A and A.sub.1 to contain non-chromophoric substituents, and D denotes 4,4'-diphenylylene,1,5- or 2,6-naphthylene, or a 9,10-dihydrophenanthrene or dibenzofurane radical which is bonded to the vinylene groups in the 2,7-position, which comprises reacting in a first stage a compound of the formula

REFERENCES:
patent: 3270034 (1966-08-01), Greenbaum
patent: 3442912 (1969-05-01), Hatch
Ansell, "Supplement to the 2nd ed. of Rodd's Chemistry of Carbon Compounds" (1973), p. 277.

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