Alkyl ether analogs of chlorins having an N-substituted imide ring
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United States of America Patent
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Sep 14, 1999
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Jun 22, 1998
filing date -
Mar 8, 1996
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Abstract
Compounds having the generic formula: ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are independently alkyl of 3 through about 10 carbon atoms; provided that, R.sup.1 and R.sup.2 together contain at least six carbon atoms. The compounds have utility in photodynamic therapy in treatment of tumors and other diseases. The invention includes a method of treatment by contacting a tumor with the compound and then exposing the tumor to light.
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