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2004
Pyrrole derivatives
R 0120
A Diversity-Oriented Strategy for the Construction of Tetrasubstituted Pyrroles
Coupled Domino Processes. — A new microwave-assisted rearrangement of
44- 122 via
1,3-oxazolidines scaffolds is the basis for a metal-free direct construction of tetrasubstituted pyrroles from terminal-conjugated alkynes, aldehydes, and primary amines. A
wide range of functionalities in the aldehyde is tolerated. A synthesis of substituted pyrroles can also be performed in a one-pot manner with both atom- and bond-efficiency.
Reaction proceeds under simple and environment-friendly experimental conditions.
— (TEJEDOR, D.; GONZALEZ-CRUZ, D.; GARCIA-TELLADO*, F.; MARRERO-TELLADO, J. J.; LOPEZ-RODRIGUEZ, M.; J. Am. Chem. Soc. 126 (2004) 27,
8390-8391; Inst. Prod. Nat. Agrobiol., CSIC, Univ. La Laguna, E-38206 La Laguna,
Tenerife, Spain; Eng.) — S. Adam
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