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nBu4NI-catalyzed C3-formylation of indoles with N-methylaniline.

Chemical communications (Cambridge, England) (2012-04-20)
Lan-Tao Li, Juan Huang, Hong-Ying Li, Li-Juan Wen, Peng Wang, Bin Wang
ABSTRACT

nBu(4)NI-catalyzed C3-selective formylation of N-H and N-substituted indoles by using N-methylaniline as a formylating reagent was first successfully demonstrated.

MATERIALS
Product Number
Brand
Product Description

Supelco
N-Methylaniline, analytical standard
Sigma-Aldrich
N-Methylaniline, purum, ≥98.0% (GC)
Sigma-Aldrich
N-Methylaniline, ≥99%
Sigma-Aldrich
N-Methylaniline, 98%
Sigma-Aldrich
Sodium iodide, 99.999% trace metals basis
Sigma-Aldrich
Sodium iodide, AnhydroBeads, −10 mesh, 99.999% trace metals basis
Sigma-Aldrich
Sodium iodide, puriss., meets analytical specification of Ph. Eur., BP, USP, 99-100.5% (calc. to the dried substance)
Sigma-Aldrich
Sodium iodide, ACS reagent, ≥99.5%
Sigma-Aldrich
Sodium iodide, ReagentPlus®, ≥99%
Sigma-Aldrich
Sodium iodide, ≥99.99% trace metals basis