Title:
【発明の名称】波長特異的感光性ポルファシアニン、拡大されたポルフィリン様化合物及び調製のための方法とその使用
Document Type and Number:
Japanese Patent JP3108438
Kind Code:
B2
Abstract:
A method for synthesizing a porphocyanine having the formula: where each R is ethyl, comprises either: (1) treating 3,3'-4,4'-tetraethyl-5,5'-bisaminomethyl-2,2'-dipyrromethane with a 10-fold excess of DDQ or (2) treating 3,3'-4,4'-tetraethyl-5,5'-diformyl 2,2'-dipyrromethane with ammonia, followed by column chromatography purification and evaporating to dryness the eluant containing the purified product.
Inventors:
Tan, Han
Zee, Lily
Wije Sekera, Tilak
Dolphin, David
Zee, Lily
Wije Sekera, Tilak
Dolphin, David
Application Number:
JP51051394A
Publication Date:
November 13, 2000
Filing Date:
October 29, 1993
Export Citation:
Assignee:
QLT Tea Photo Therapeutics Inc.
International Classes:
A61K31/40; A61K31/409; A61K31/555; A61K38/00; A61K39/395; A61K41/00; A61K49/06; A61K51/00; A61K51/04; A61P35/00; C07B59/00; C07D487/22; (IPC1-7): C07D487/22; A61K31/409; A61K31/555; A61K39/395; A61K51/00; A61P35/00
Attorney, Agent or Firm:
Asamichi Kato