Access to 3‐Methyl‐4‐methylene‐ N ‐tosylpyrrolidine and 3,4‐Dimethyl N ‐tosylpyrroline by Ruthenium‐Catalyzed Cascade Cycloisomerization/Isomerization Reactions | Zendy

Özdemir Ismail | Zendy; Çetinkaya Engin | Zendy; Çetinkaya Bekir | Zendy; Çiçek Metin | Zendy; Sémeril David | Zendy; Bruneau Christian | Zendy; Dixneuf Pierre H. | Zendy

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Access to 3‐Methyl‐4‐methylene‐ N ‐tosylpyrrolidine and 3,4‐Dimethyl N ‐tosylpyrroline by Ruthenium‐Catalyzed Cascade Cycloisomerization/Isomerization Reactions

Author(s) -

Özdemir Ismail,

Çetinkaya Engin,

Çetinkaya Bekir,

Çiçek Metin,

Sémeril David,

Bruneau Christian,

Dixneuf Pierre H.

Publication year - 2004

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.200300224

Subject(s) - cycloisomerization , chemistry , isomerization , ruthenium , methylene , catalysis , benzimidazole , ligand (biochemistry) , medicinal chemistry , photochemistry , organic chemistry , receptor , biochemistry

New RuCl 2 (benzimidazole)(arene) complexes have been prepared. Upon reaction with 1,1‐diphenylprop‐2‐ynol they generate catalyst precursors which perform the cycloisomerization of diallyltosylamide into 3‐methyl‐4‐methylene‐ N ‐tosylpyrrolidine. The presence of N ‐(2,4,6‐trimethylbenzyl)benzimidazole as ligand leads to a subsequent isomerization and gives the 3,4‐dimethyl‐ N ‐tosylpyrroline. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)

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