Studies of the dihedral angle of a crowded diselenide by X-ray crystallography and ultraviolet spectroscopy

Author:

Back Thomas G.,Codding Penelope W.

Abstract

Bis(di-tert-butylmethyl) diselenide (4) is the first example of a diselenide with an abnormal obtuse dihedral angle resulting from steric crowding. Its value was determined to be 112.1(3)° by X-ray crystallography, as compared with typical dihedral angles of 74–87° for other diselenides. The uv spectrum of 4 supports a similar conformation in solution.

Publisher

Canadian Science Publishing

Subject

Organic Chemistry,General Chemistry,Catalysis

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