Synthesis of Novel Spiro Cyclic 2-Oxindole Derivatives of 6-Amino-4H-Pyridazine via [3+3] Atom Combination Utilizing Chitosan as a Catalyst.

Autor: Ismail Abdelhamid
Předmět:
Zdroj: Synlett; Mar2009, Vol. 2009 Issue 4, p625-627, 3p
Abstrakt: Azaenamines were reacted with 3-cyanomethylidene-2-oxindoles using chitosan catalyst to yield spirocyclic 2-oxindole derivatives of 6-amino-4 H-pyridazine and fused pyridazinoquinazolines. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index