Synthetic Communications p. 1389 - 1393 (1994)
Update date:2022-08-10
Topics:
Mueller-Westerhoff
Swiegers
The preparation of 4- and 5-t-Bu-pyrrole-2-aldehyde can be brought about in a high yield and purity using Vilsmeier-Haack type reactions as conclusions to reaction sequences involving a 1-benzenesulfonyl directing group on pyrrole (4-substitution) or the formamidinium salt of pyrrole (5- substitution). Azines/imines were prepared and characterised.
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Doi:10.1021/j100010a034
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