Chlorin e6–cholesterol conjugate and its copper complex. Simple synthesis and entrapping in phospholipid vesicles

Synthesis of 13′[(cholest-5-en)-3β-yloxyethoxycarbamoyl]-chlorin e6 starting from methylpheophorbide and 3β(2-hydroxy)-ethoxycholest-5-ene is presented, as well as the preparation of related copper complex. Both conjugates obtained may be simply incorporated in phosphatidyl choline vesicles.

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