Heat-convertible reaction products of equal mol ratios of s-diph

Details Heat-convertible reaction products of equal mol ratios of s-diph Heat-convertible reaction products of equal mol ratios of s-diph

1976-07-19

1977-08-09

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

420411, 428474, 260 775R, 260 78TF, 260 7841, C07D23732, C08G 7310, C07G 7300

Patent

active

040410340

ABSTRACT:
The subject of this invention, heat-convertible reaction products of s-diphenylcarbazide and an aromatic dianhydride, are prepared by reacting 1:1 mol ratios of s-diphenylcarbazide and an aromatic dianhydride in a mutual solvent such as 1-methyl-2-pyrrolidinone, at a temperature greater than 150.degree. C. and less than 200.degree. C.

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