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1-Dimethylamino-2,4-diphenyl-1-butene-3,4-dione

  • US 4,045,487 A
  • Filed: 03/18/1976
  • Issued: 08/30/1977
  • Est. Priority Date: 06/26/1975
  • Status: Expired due to Term
First Claim
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1. A compound of the formula ##STR12## wherein R2 is phenyl, lower-alkoxyphenyl, di-lower-alkoxyphenyl, R3 is phenyl, naphthyl or nitrophenyl, and R4 and R5 taken independently are each lower alkyl.

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