Regioselective Synthesis of Bis(2-halo-3-pyridyl) Dichalcogenides (E = S, Se and Te): Directed Ortho-Lithiation of 2-halopyridines | Zendy

K.K. Bhasin | Zendy; Neelam Singh | Zendy; Shivani Doomra | Zendy; Ekta Arora | Zendy; Ganga Ram | Zendy; Sukhjinder Singh | Zendy; Yogesh Nagpal | Zendy; S.K. Mehta | Zendy; Thomas M. Klapötke | Zendy

Open Access

Regioselective Synthesis of Bis(2-halo-3-pyridyl) Dichalcogenides (E = S, Se and Te): Directed Ortho-Lithiation of 2-halopyridines

Author(s) -

K.K. Bhasin,

Neelam Singh,

Shivani Doomra,

Ekta Arora,

Ganga Ram,

Sukhjinder Singh,

Yogesh Nagpal,

S.K. Mehta,

Thomas M. Klapötke

Publication year - 2007

Publication title -

bioinorganic chemistry and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.865

H-Index - 35

eISSN - 1565-3633

pISSN - 1687-479X

DOI - 10.1155/2007/69263

Subject(s) - chemistry , algorithm , computer science

A novel method for the preparation of hitherto unknown symmetrical bis(2-halo-3-pyridyl) dichalcogenides (E = S, Se and Te) by the oxidation of intermediate 2-halo-3-pyridyl chalcogenolate, prepared by lithiation of 2-halo pyridines using lithium diisopropylamine is being reported. All the newly synthesized compounds have been characterized through elemental analysis employing various spectroscopic techniques, namely, NMR ( 1 H, 13 C, 77 Se), infrared, mass spectrometry, and X-ray crystal structures in representative cases.

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