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Tetra‐ meso ‐methylenporphyrinogene
Author(s) -
Otto Christiane,
Breitmaier Eberhard
Publication year - 1991
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.1991199101230
Subject(s) - tetra , methyllithium , chemistry , wittig reaction , medicinal chemistry , organic chemistry
Tetra‐ meso ‐methyleneporphyrinogens While usual methods of carbonyl alkenylation such as the Wittig reaction fail when applied to xanthoporphyrinogens 1 , methylenation of xanthoporphyrinogens 1 to tetra‐ meso ‐methyleneporphyrinogens 3 occurs with methyllithium in low to moderate yields.