Synthesis of tetranuclear dyes
Abstract
Abstract TETRANUCLEAR DYES DERIVED FROM A 2-IMIDAZOLIN-4-ONE, A 2-IMIDAZOLIN-4-THIONE AND A 2-IMIDAZOLIN-4-SELENONE ARE PREPARED IN GOOD YIELDS BY CONDENSING A QUATERNIZED MEROCYANINE DYE DERIVED FROM A 2-IMIDAZOLIN-4-ONE, A 2-IMIDAZOLIN-4-THIONE OR A 2-IMIDAZOLIN4-SELENONE WITH (1) A DIALKOXYALKYL ESTER OF AN ORGANIC ACID, (2) A TRIALKOXY ALKANE OR ARYL COMPOUND, (3) A 3,3-DIALKOZY-1ALKOXYPROPENE, (4) A 1-ANILINO-5-PHENYLIMINO-1,3-PENTADIENE OR (5) A SECOND QUATERNIZED MROCYANINE DYE DERIVED FROM A 2-IMIDAZOLIN-4-ONE, A 2-IMIDAZOLIN-4THIONE OR A 2-IMIDAZOLIN-4-SELENONE, EACH HAVING SUBSTITUTED ON THE CARBON IN THE 2-POSITION A GROUP SUCH AS A B-ACETANILIDOVINYL GROUP, A 4-ACETANILIDO-1,3-BUTADIENYL GROUP, AND A 6-ACETANILIDO-1,3,5-HEXADIENYL GROUP.
Inventors
- 👤 Philip W Jenkins
Bibliographic Details
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