Archiv der Pharmazie p. 89 - 91 (1990)
Update date:2022-08-03
Topics:
Seitz
Wassmuth
The title reaction, starting with various donor substituted 2,5-dihydropyrazines such as 7 and 12-14 as electron rich dienophiles, results in the formation of the novel pyrazino[2,3-d]pyridazines 9 and 15-17 in good yields.
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Doi:10.1039/c0cc04459h
(2011)Doi:10.1246/bcsj.63.466
(1990)Doi:10.1016/S0040-4020(01)81368-5
(1990)Doi:10.1021/jo00057a013
(1993)Doi:10.1016/S0040-4039(00)97018-7
(1990)Doi:10.1021/ja110243r
(2011)