Page 1. SYNTHETIC COMMUNICATIONS, 26(9), 1775-1784 (1996) Preparation of Acrylophenones and 2-Alkyl lndanones Utilizing Hexamethylenetetramine as an inexpensive Mannich Reagent. Apurba Bhattacharya*, Brigitte Segmuller and Arnold Ybarra Hoechst Celanese Corporation, Corpus Christi Technical Center, P. 0. Box 9077, Corpus Christi, Texas 78469 US A. ABSTRACT: Hexamethylenetetramine/acetic anhydride-promoted a- ...