Synthesis of quinoxaline-3,4-dihydro-6,7-dimethyl-3-keto-4-D-ribityl-2-carboxamide

Matsui, K.

Osaka City Medical Journal 47(1): 1-9

2001


ISSN/ISBN: 0030-6096
PMID: 11556387
Document Number: 534719
Quinoxaline-3,4-dihydro-6,7-dimethyl-3-keto-4-D-ribityl-2-carboxamide (QN, RN: 13698-42-5) was prepared from the corresponding carboxylic acid (QC) and ammonia by using water soluble carbodiimide (WSCD) (Scheme 1). The structure of product was verified by physicochemical properties, especially by comparing the UV and NMR spectroscopic properties of QN and of the acetate with those of QC and riboflavin (RF). [reaction: see text]

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