Facile and Selective Synthesis of Chloromethylpyridines and Chloropyridines Using Diphosgene/Triphosgene

P. Narendar Organic Chemistry Division II, Indian Institute of Chemical Technology, Hyderabad, 500007, India

B. Gangadasu Organic Chemistry Division II, Indian Institute of Chemical Technology, Hyderabad, 500007, India

Ch. Ramesh Organic Chemistry Division II, Indian Institute of Chemical Technology, Hyderabad, 500007, India

B. China Raju Organic Chemistry Division II, Indian Institute of Chemical Technology, Hyderabad, 500007, India

V. Jayathirtha Rao Organic Chemistry Division II, Indian Institute of Chemical Technology, Hyderabad, 500007, IndiaCorrespondence[email protected]

Abstract

Diphosgene and triphosgene in the presence of amines were found to be an excellent chlorinating agents with high selectivity for the preparation of chloromethylpyridines and chloropyridines from picoline‐N‐oxides and pyridine‐N‐oxides respectively.

^#IICT Communication No: 030808.

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Acknowledgment

The authors thank the Director‐IICT and Head Organic Division. PN thanks CSIR and BG thanks UGC for fellowship awards.

Notes

^#IICT Communication No: 030808.

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Facile and Selective Synthesis of Chloromethylpyridines and Chloropyridines Using Diphosgene/Triphosgene

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Facile and Selective Synthesis of Chloromethylpyridines and Chloropyridines Using Diphosgene/Triphosgene

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