Journal of the Chemical Society. Perkin transactions II p. 110 - 112 (1980)
Update date:2022-08-30
Topics:
Alexander, Robert s.
Butler, Anthony R.
Hydrogen exchange at the unsubstituted positions in 1,2,5-trimethyl- and 1,3,4-trimethyl-pyrrole in aqueous buffer has been examined.The two positions were found to be of similar reactivities.General acid catalysis was detected.No hydrogen exchange on the methyl groups of 2,3,4,5-tetramethylpyrrole, even in strong acid, was detected.The 13C n.m.r. spectrum of the tetramethylpyrrole was examined.
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