C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/359.4
C07D 493/04 (2006.01)
Patent
CA 1141768
T.C.Elder 8 APPLICATION FOR LETTERS PATENT FOR 4'-SUBSTITUTED-4,5',8-TRIALKYLPSORALENS ABSTRACT OF THE DISCLOSURE The invention relates to 4,5',8-trialkylpsoralens, having a substituent on the 4' carbon atom which is selected from hydroxyalkoxyalkyl and hydroxyalkylaminoalkyl , which are characterized by enhanced photosensitizing activity, especially oral activity, including comparable maxima, early onset, and especially rapid decline, as well as low toxicity, when con- trasted with psoralens of different structure. Process for the production thereof. Inventor: KURT D. KAUFMAN 2205 Benjamin Avenue Kalamazoo, Michigan 49008
359910
Elder Pharmaceuticals Inc.
Macrae & Co.
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