Synthesis and characterization of two novel potentially tetradentate chelating O^N^C ligands： 2-（2-hydroxyphenyl）-6-p-tolylisonicotinic acid and 2-（2-hydroxyphenyl）-6-p-tolylisonicotinic acid ethyl ester were fir...Synthesis and characterization of two novel potentially tetradentate chelating O^N^C ligands： 2-（2-hydroxyphenyl）-6-p-tolylisonicotinic acid and 2-（2-hydroxyphenyl）-6-p-tolylisonicotinic acid ethyl ester were firstly reported.展开更多
A new heterocyclic fulgide:E-(α)-(1,2-dimethyl-4-isopropyl-5-phenyl)-3-pyrryl ethylidene (isopropylidene)succinic anhydride(1) has been synthesized.Themolecular conformation and atomic labelling structure of (1) was ...A new heterocyclic fulgide:E-(α)-(1,2-dimethyl-4-isopropyl-5-phenyl)-3-pyrryl ethylidene (isopropylidene)succinic anhydride(1) has been synthesized.Themolecular conformation and atomic labelling structure of (1) was obtained by X-ray analyses.Compound(1) shows a twisted structure between different ring systems.The short distance beteen C1 atom and C22 atom(3.567A) offers a favourable structure for the photoinduced intramolecular cyclization of 1.展开更多
基金supported by the National Natural Science Foundation of China(No.50273045,90210033,50463001).
文摘Synthesis and characterization of two novel potentially tetradentate chelating O^N^C ligands： 2-（2-hydroxyphenyl）-6-p-tolylisonicotinic acid and 2-（2-hydroxyphenyl）-6-p-tolylisonicotinic acid ethyl ester were firstly reported.
文摘A new heterocyclic fulgide:E-(α)-(1,2-dimethyl-4-isopropyl-5-phenyl)-3-pyrryl ethylidene (isopropylidene)succinic anhydride(1) has been synthesized.Themolecular conformation and atomic labelling structure of (1) was obtained by X-ray analyses.Compound(1) shows a twisted structure between different ring systems.The short distance beteen C1 atom and C22 atom(3.567A) offers a favourable structure for the photoinduced intramolecular cyclization of 1.
