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ChemInform Abstract: Fluoride‐Assisted Synthesis of 1, 4, 5, 6‐Tetrahydropyridazines via [4 + 2] Cyclodimerization of in situ‐Generated Azoalkenes Followed by a C—N Bond Cleavage. Issue 52 (6th December 2016)
Record Type:
Journal Article
Title:
ChemInform Abstract: Fluoride‐Assisted Synthesis of 1, 4, 5, 6‐Tetrahydropyridazines via [4 + 2] Cyclodimerization of in situ‐Generated Azoalkenes Followed by a C—N Bond Cleavage. Issue 52 (6th December 2016)
Main Title:
ChemInform Abstract: Fluoride‐Assisted Synthesis of 1, 4, 5, 6‐Tetrahydropyridazines via [4 + 2] Cyclodimerization of in situ‐Generated Azoalkenes Followed by a C—N Bond Cleavage.
Abstract: A series of 1, 4, 5, 6‐tetrahydropyridazines (II) is prepared by homo‐cyclodimerization of α‐halo acylhydrazones (I) in the presence of K2 CO3 and CsF (16 examples, however, the halogen in starting α‐halo acylhydrazones is specified only for 3 examples).