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The synthesis of pyrimido[4,5-d] pyridazines

✍ Scribed by Toshio Kinoshita; Raymond N. Castle

Book ID
111900732
Publisher
Journal of Heterocyclic Chemistry
Year
1968
Tongue
English
Weight
322 KB
Volume
5
Category
Article
ISSN
0022-152X

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We would like to report the synthesis of a derivative of the new heterocyclic ring system pyrrolo[4,3,2-de]pyrimido[4,5-clpyridazine. The reaction of 4-chloro-5-cyano-7-(g-D-ribofuranosyl)pyrrolo[2,3-dlpyrimidine (I) (3) with methylhydrasine should have furnished 5-cyano-4-(N-l-methylhydrazino)-7-(B