PATENT DETAILS

Patent ID:
50
Inventors:
David Dolphin, Ross W Boyle
Title:
Method of Synthesizing 5,15-Diarylbenzochlorin-7-One Compounds
Country:
United States
Patent No:
5780622
Grant Date:
1998-07-14
Abstract:
A novel 5.15-diarylbcnzochlorin-7-one compound having the formula (I) or (II):

Chlorin formula I diagram

wherein M is a metal. A novel method for synthesizing the compound of formula (T) comprises the steps of: a. cyclizing a mcso-(formylvinyl) 5.15-diarylporphyrin to form a cydization reaction mixture, and b. oxidizing said reaction mixture to form the 5.15- diarylbcnzochIorin-7-one of formula (I). A novel method for synthesizing the compound of formula (II) comprises the cyclizing and oxidizing steps listed above and either prior to or after the oxidizing step, adding the step of demetallating the compound.

View the full patent here