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Communication | Regular issue | Vol 20, No. 11, 1983, pp.2145-2148
Published online, 1st January, 1970
DOI: 10.3987/R-1983-11-2145
The Synthesis, Separation and Structure Determination of Two Conformers of 2,2-Dimethyl-5-phenyl-1,2-dihydro-3H-1,4-benzodiazepin-3-one

Jan Bergman, Anna Brynolf, Karl-Wilhelm Törnroos, Bengt Karlsson, and Per-Erik Werner

*Department of Organic Chemistry, Royal Institute of Technology, SE-100 44 Stockholm, Sweden


3,3-Dimethyl-5-phenyl-1,2-dihydro-3H-1,4-benzodiazepin-3-one has been synthetized by interaction of C6H5MgBr with α-bromo-α,α-dimethyl-2-cyanoacetanilide. Two conformers of the product were isolated and their structures determined by X-ray crystallography.