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Efficient Synthesis of Pyropheophorbide- a and Its Derivatives

✍ Scribed by Pallenberg, Alexander J.; Dobhal, Mahabeer P.; Pandey, Ravindra K.

Book ID
126018333
Publisher
American Chemical Society
Year
2004
Tongue
English
Weight
77 KB
Volume
8
Category
Article
ISSN
1083-6160

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## Abstract Methyl pyropheophorbide‐__a__ (MPPa) (**1**) was converted to two aldehydes, methyl 2‐formylmethyl‐2‐devinylpyropheophorbide‐__a__ (**2**) and methyl 2‐formyl‐2‐devinylpyropheophorbide‐__a__ (**3**). The former **2** reacted with active methylene compounds having a cyano function in the