1155873-30-5Relevant articles and documents
Synthesis of novel spiro cyclic 2-oxindole derivatives of 6-amino-4H-pyridazine via [3+3] atom combination utilizing chitosan as a catalyst
Abdelhamid, Ismail Abdelshafy
experimental part, p. 625 - 627 (2009/07/10)
Azaenamines were reacted with 3-cyanomethylidene-2-oxindoles using chitosan catalyst to yield spirocyclic 2-oxindole derivatives of 6-amino-4H-pyridazine and fused pyridazinoquinazolines. Georg Thieme Verlag Stuttgart.