Facile and Selective Synthesis of Chloromethylpyridines and Chloropyridines Using Diphosgene/Triphosgene
作者： P. Narendar , B. Gangadasu , Ch. Ramesh , B. China Raju , V. Jayathirtha Rao
关键词:
摘要: Abstract Diphosgene and triphosgene in the presence of amines were found to be an excellent chlorinating agents with high selectivity for preparation chloromethylpyridines chloropyridines from picoline‐N‐oxides pyridine‐N‐oxides respectively. #IICT Communication No: 030808.
sci-hub.se 参考文章(27)
Bernd Dr. Gallenkamp, Dieter Dr. Kaufmann, Process for the preparation of substituted 2-chloropyridines ,(1989)
Bhimapaka Chinaraju, Vaidya Jayathirtha Rao, Kondapuram Vijaya Raghavan, Process for the preparation of 2-chloro-5-methylpyridine-3-carbaldehyde ,(2002)
Edwin C. Constable, Kenneth R. Seddon, A novel rearrangement of 2,2'-bipyridine N,N'-dioxides Tetrahedron. ,vol. 39, pp. 291- 295 ,(1983) , 10.1016/S0040-4020(01)91821-6
Bernd Dr. Gallenkamp, Hans-Joachim Dr. Knops, Process for the preparation of 2-chloro-5-methylpyridine ,(1988)
David Hebel, Shlomo Rozen, Chlorination, bromination and oxygenation of the pyridine ring using acetyl hypofluorite made from fluorine Journal of Organic Chemistry. ,vol. 53, pp. 1123- 1125 ,(1988) , 10.1021/JO00240A047
Brian M. Adger, Peter Ayrey, Robin Bannister, Michael A. Forth, Yousef Hajikarimian, Norman J. Lewis, Clare O'Farrell, Nicholas Owens, Amin Shamji, Synthesis of 2-substituted 4-pyridylpropionates. Part 2. Alkylation approach Journal of The Chemical Society-perkin Transactions 1. pp. 2791- 2796 ,(1988) , 10.1039/P19880002791
Snorri Th. Sigurdsson, Bodo Seeger, Ursula Kutzke, Fritz Eckstein, A Mild and Simple Method for the Preparation of Isocyanates from Aliphatic Amines Using Trichloromethyl Chloroformate. Synthesis of an Isocyanate Containing an Activated Disulfide. Journal of Organic Chemistry. ,vol. 61, pp. 3883- 3884 ,(1996) , 10.1021/JO9521920
Thomas W. Koenig, Jan S. Wieczorek, Reactions of trichloroacetyl chloride with 2-picoline N-oxide and pyridylcarbinols Journal of Organic Chemistry. ,vol. 33, pp. 1530- 1532 ,(1968) , 10.1021/JO01268A048
Mary Lynne Ash, R. Garth Pews, The synthesis of 2-chloromethylpyridine from 2-picoline-N-oxide Journal of Heterocyclic Chemistry. ,vol. 18, pp. 939- 940 ,(1981) , 10.1002/JHET.5570180518
W. Mathes, H. Schüly, In der Seitenkette halogenierte Methylpyridine und Methylchinoline Angewandte Chemie. ,vol. 75, pp. 235- 240 ,(1963) , 10.1002/ANGE.19630750503