The aminolysis of purpurin-18 with aliphatic amines or aromatic amines was carried out by reflux and microwave assisted methods to obtain mono-amidated, di-amidated and carbonyl-imidizated products. The chemical modifications of purpurin-18 imides along their N21-NM23 axis produced the mixtures of purpurin-18 imides possessing atropisomeric and anomeric characteritics. The structures of new chlorophyll derivatives were characterized by UV, IR, 1H NMR, MS techniques and elemental analysis. The possible mechanisms about aminization reactions were tentatively proposed.
WANG Peng
,
YANG Ze
,
LI Jia-Zhu
,
YAO Nan-Nan
,
WANG Jin-Jun
. Aminolysis Reaction of Purpurin-18 and Synthesis of Chlorin Derivatives Related to Chlorophyll[J]. Chinese Journal of Organic Chemistry, 2012
, 32(02)
: 368
-375
.
DOI: 10.6023/cjoc1107031
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