3,4-Bis-phosphanyl-1H-pyrrole derivatives via direct electrophilic phosphanylation of 1-tert-butyl-1H-pyrrole

3,4-Bis-phosphanyl-1H-pyrrole derivatives via direct electrophilic phosphanylation of 1-tert-butyl-1H-pyrrole

[Display omitted] •Preparation of 1-(tert-butyl)-3,4-bis(dibromophosphanyl)-1H-pyrrole is described.•This compound was used in the synthesis of new pyrrolediphosphane ligands.•Pd (II)–1-(tert-butyl)-3,4-bis(diphenylphosphanyl)-1H-pyrrole complex was isolated. A method for the phosphanylation of 1-te...

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Bibliographic Details
Published in:Tetrahedron letters Vol. 57; no. 12; pp. 1382 - 1384
Main Authors: Smaliy, Radomyr V., Chaykovskaya, Aleksandra A., Dmitriv, Yuriy V., Smal, Vitaliy M., Shtil, Nataliya A., Kostyuk, Aleksandr N.
Format: Journal Article
Language:English
Published: Elsevier Ltd 23-03-2016
Subjects:
Bisphosphane
Catalysis
Coordination
Coordination compounds
Derivatives
Palladium
Phosphonylation
Pyrrole
Single crystals
Synthesis (chemistry)
Tetrahedrons
X-rays
Palladium
Phosphonylation
Coordination
Bisphosphane
Pyrrole
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Summary:[Display omitted] •Preparation of 1-(tert-butyl)-3,4-bis(dibromophosphanyl)-1H-pyrrole is described.•This compound was used in the synthesis of new pyrrolediphosphane ligands.•Pd (II)–1-(tert-butyl)-3,4-bis(diphenylphosphanyl)-1H-pyrrole complex was isolated. A method for the phosphanylation of 1-tert-butyl-1H-pyrrole was developed which allowed selective preparation of the 3,4-bis(dibromophosphanyl)-1H-pyrrole derivative – the key intermediate in the synthesis of pyrrole-derived diphosphanes which are useful in coordination chemistry and catalysis. These compounds were isolated and characterized, and their structures unambiguously confirmed by single crystal X-ray analysis.
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ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2016.02.069