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Preparation of Acrylophenones and 2-Alkyl Indanones Utilizing Hexamethylenetetramine as an Inexpensive Mannich Reagent.

1996; Taylor & Francis; Volume: 26; Issue: 9 Linguagem: Inglês

10.1080/00397919608002617

1532-2432

Apurba Bhattacharya, Brigitte E. Segmüller, Arnold Ybarra,

Synthesis of heterocyclic compounds

Abstract Hexamethylenetetramine/acetic anhydride-promoted α-methylenation of aryl alkyl ketones followed by acid-catalyzed cyclization of the resulting acrylophenones produce 2-alkyl indanones in excellent yields.