940. Fermentation products of wheat germ. (a) Identification of methoxy- and 2 : 6-dimethoxy-p-benzoquinone. (b) Infra-red absorption of some quinones and 1 : 2-dicarbonyl compounds

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Abstract
The compounds isolated by Vuataz (Helv. Chim. Acta 33: 433. 1950.) from wheat germ fermented with baker''s yeast were identified as methoxy-p-benzoquinone and 2, 6-dimethoxy-p-benzoquinone. Certain 1, 2-dicarbonyl derivatives of furan were prepared which are related to the structure originally put forward for the above compounds. The infra-red absorption spectra of some p-benzoquinones, glyoxals, and l:2-diketones were examined.
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