Synthesis of an Isophorone‐Based Nonlinear Optical Chromophore

Abstract

The synthesis of a “CLD‐type” nonlinear optical chromophore incorporating the isophorone unit to rigidize the polyene segment is described. The synthesis required seven steps with an overall yield of 17%.

Keywords:

• Aldol
• Dyes
• Knoevenagel
• Nonlinear optical
• Vilsmeier

Acknowledgment

Financial support from the Office of Naval Research is gratefully acknowledged. We thank Dr. Peter V. Bedworth, Lockheed Martin Advanced Technological Center, for valuable suggestions regarding the synthesis of this class of compounds. We thank Dr. Geoffrey A. Lindsay, NAWCWD, for advice and encouragement throughout the course of this work. And we thank Mrs. Ruth Ann E. McIntire, NAWCWD, for assistance in the preparation of this manuscript.

Additional information

Notes on contributors

Lawrence C. Baldwin

ASEE/ONR Postdoctoral Fellow.

Elliott C. Drury

Engineer & Scientist Development Program, NAWCWD.