| abstract |
NEW MATERIAL:A compound expressed by formula I (M is metal, metallic halide, metallic oxide, metallic hydroxide or two Hs; R 1 to R 4 are alkoxy). n EXAMPLE: Tetrakis(3-carboxy-4-octadecyloxyphenyl)porphyrin. n USE: An LB film-forming agent. n PREPARATION: A benzaldehyde derivative expressed by formula II (R is alkoxy) is reacted with pyrrole to afford the objective compound expressed by formula I (group M is two Hs). n COPYRIGHT: (C)1992,JPO&Japio |