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Diethyl tartrate (I) is converted to the bis(diarylhydroxymethyl)dioxoles (V) by consecutive reaction with the dimethoxypropane (II) and the Grignard compounds (IV).

ChemInform Abstract The optical resolution of some aziridines such as (I) is achieved with up to 100% e.e. via complexation with optically active host compounds such as (II) derived from tartaric acid.

Quantitative Solid-Solid Synthesis of Azomethines.-Grinding together solid anilines, e.g. (I), with solid benzaldehydes, e.g. (II), yields quantitatively azomethines (20 examples), e.g. (III) and (IV), in a waste-free solid-solid condensation process. -(SCHMEYERS, J.; TODA, F.; BOY, J.; KAUPP, G.; J. Chem. Soc., Perkin Trans. 2 [old] (1998) 4, 989-993; Dep.

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