80529-82-4Relevant articles and documents
A new synthesis of benzoporphyrins using 4,7-dihydro-4,7-ethano-2H-isoindole as a synthon of isoindole
Ito, Satoshi,Murashima, Takashi,Uno, Hidemitsu,Ono, Noboru
, p. 1661 - 1662 (1998)
Heating 4,7-dihydro-4,7-ethano-2H-isoindole at 200 °C induces the retro-Diels-Alder reaction to give isoindole in essentially quantitative yield, which can be applied to a new synthesis of tetrabenzoporphyrins and monobenzoporphyrins.
Axial coordination reactions with nitrogenous bases and determination of equilibrium constants for zinc tetraarylporphyrins containing four β, β ′-fused butano and benzo groups in nonaqueous media
Ye, Lina,Fang, Yuanyuan,Ou, Zhongping,Wang, Liping,Xue, Songlin,Lu, Yang,Kadish, Karl M.
, p. 196 - 206 (2019/02/19)
The axial coordination properties of six zinc tetraarylporphyrins with seven different nitrogenous bases were examined in CH2Cl2 for derivatives containing four β,β′-fused butano or benzo groups and the equilibrium constants (logK) determined using spectral titration methods. The examined compounds are represented as butano(YPh)4PorZn and benzo(YPh)4PorZn, where Por is the porphyrin dianion and Y is a CH3, H or Cl substituent on the para-position of each meso-phenyl ring of the macrocycle. The initial four-coordinate butano-And benzoporphyrins will axially bind one nitrogenous base to form five-coordinate derivatives in CH2Cl2 and this leads to a 4-22 nm red-shift of the Soret and Q bands. The logK values range from 1.98 to 4.69 for butano(YPh)4PorZn and from 3.42 to 5.36 for benzo(YPh)4PorZn, with the exact value depending upon the meso and β-substituents of the porphyrin and the conjugate acid dissociation constants (pKa) of the nitrogenous base.
METHOD FOR PRODUCING ISOINDOLE AND ISOINDOLE PRODUCED BY THE METHOD FOR PRODUCING ISOINDOLE
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Page/Page column 23, (2010/11/19)
Disclosed is a method for manufacturing isoindolic compound, which can adopt a condition capable of being put to industrially practical use, which can produce stable isoindolic compound, and which can further produce the isoindolic compound with a high yield. The method for manufacturing isoindolic compound comprises a thermal treatment step where a compound of which molecule includes a structure of pyrrole fused with bicyclo [2.2.2] octadiene skeleton is subjected to a supercritical carbon dioxide atmosphere. The thermal treatment step is preferably performed at a temperature of not less than 50 °C and not more than 300 °C.
