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  • A novel one-pot, four component synthesis of some densely functionalized pyrroles.

A novel one-pot, four component synthesis of some densely functionalized pyrroles.

Molecular diversity (2004-04-08)
Javad Azizian, Ali R Karimi, Hamedeh Arefrad, Ali A Mohammadi, M R Mohammadizadeh
PMID15068085
ABSTRACT

A new one-pot four component procedure for synthesis of densely functionalized pyrroles using commercially available ninhydrin with phosphorane intermediates produced in the reaction between triphenylphosphine, ammonium thiocyanate (or ammonium acetate) and various dialkyl acetylenedicarboxylates was developed.

MATERIALS
Product Number
Brand
Product Description
01-5200
Sigma-Aldrich
Ammonium thiocyanate, SAJ first grade, ≥99%
Pricing and availability is not currently available.
01-5190
Sigma-Aldrich
Ammonium thiocyanate, SAJ special grade, ≥99%
Pricing and availability is not currently available.
A7149
Sigma-Aldrich
Ammonium thiocyanate, powder
Pricing and availability is not currently available.
221988
Sigma-Aldrich
Ammonium thiocyanate, ACS reagent, ≥97.5%
Pricing and availability is not currently available.
431354
Supelco
Ammonium thiocyanate, 99.99% trace metals basis, for inorganic trace analysis
Pricing and availability is not currently available.
01-5220
Sigma-Aldrich
Ammonium thiocyanate solution, 0.1 M, 1/10 N
Pricing and availability is not currently available.