Syntheses of pyrimido[4,5-c]pyridazine derivatives. II. A novel reaction of .ALPHA.-diazo-.BETA.-oxo-5-(4-chloropyrimidine)propionate with triphenyl phosphine leading to 1,4-dihydro-4-oxopyrimido[4,5-c]pyridazine-3-carboxylate.
MIYAMOTO, TERUYUKI, KIMURA, YOSHITAKA, MATSUMOTO, JUNICHI, MINAMI, SHINSAKUVolume:
26
Year:
1978
Journal:
CHEMICAL & PHARMACEUTICAL BULLETIN
DOI:
10.1248/cpb.26.14
File:
PDF, 714 KB
1978