Reactivities of 6-amino-1,3-dimethyl-5-thioformyluracil toward nucleophiles and its application to synthesis of pyrido[2,3-d]pyrimidines

DOI: 10.1248/cpb.45.542

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 542 - 544 (1997)

Update date:2022-08-16

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Authors:

Hirota, Kosaku

Kubo, Keiko

Sajiki, Hironao

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Article abstract of DOI:10.1248/cpb.45.542

The reaction of the 5-thioformyluracil 1 with phenylhydrazine and various amines readily afforded the hydrazone 3a and Schiff bases 3b-d, respectively. Further, carbanions and Wittig reagents reacted with 1 to give pyrido[2,3-d]pyrimidines 4 and 9. The co

Full text of DOI:10.1248/cpb.45.542

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