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Synthesis of heterocycles by photochemical cyclization of ortho-substituted benzene derivatives

โœ Scribed by Ferris, J. P.; Antonucci, F. R.


Book ID
126692567
Publisher
The Royal Society of Chemistry
Year
1972
Tongue
English
Weight
128 KB
Volume
3
Category
Article
ISSN
0022-4936

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## Abstract Methyl pyropheophorbideโ€__a__ (MPPa) (**1**) was converted to two aldehydes, methyl 2โ€formylmethylโ€2โ€devinylpyropheophorbideโ€__a__ (**2**) and methyl 2โ€formylโ€2โ€devinylpyropheophorbideโ€__a__ (**3**). The former **2** reacted with active methylene compounds having a cyano function in the