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Synthesis of vinca alkaloids and related compounds XII an unusual racemization. Chromic effect.

✍ Scribed by György Kalaus; Éva Szentirmay; Lajos Szabó; Csaba Szántay

No coin nor oath required. For personal study only.

✦ Synopsis

Oxidation of the quinolizine derivative la by sodium dichromate is accompanied by racemization not obserqgble with other oxidizing agents.

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