NDLI: Titanium-Mediated Synthesis of N-Substituted 2-Arylpyrroles

Content Provider	Scilit
Author	Okamoto, S. Ohkubo, M. Hayashi, D. Oikawa, D. Fukuhara, K. Sato, F.
Copyright Year	2006
Description	A one-pot synthesis of N-substituted 2-arylpyrroles is reported which involves the reaction of arylaldehyde imines with the divalent titanium reagent, Ti(O-i-Pr)_{4}$/2i-PrMgCl and the commercially available 3,3-diethoxypropyne. The reaction is proposed to occur via the intermediacy of the $(η^{2}$-Imine)Ti(O-i-Pr)_{2}$ complex 1 and thereby has some similarity to the Kulinkovich reaction in the initial steps. Bromo and trifluoromethyl groups tolerate the reaction conditions; however, aniline and 1-substituted 3,3-diethoxypropyne fail in this reaction.
Related Links	http://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-2006-955572.pdf
Ending Page	1223
Page Count	1
Starting Page	1223
ISSN	18611958
e-ISSN	1861194X
DOI	10.1055/s-2006-955572
Journal	Synfacts
Issue Number	12
Volume Number	2006
Language	English
Publisher	Georg Thieme Verlag KG
Publisher Date	2006-11-22
Access Restriction	Open
Subject Keyword	Journal: Synfacts Organic Chemistry
Content Type	Text
Resource Type	Article

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Titanium-Mediated Synthesis of N-Substituted 2-Arylpyrroles