Add time:09/02/2019         Source:sciencedirect.com

Following the intraperitoneal injection of l-homocitrulline into rats a previously undescribed metabolite of this amino acid was detected in the urine. A compound with identical properties could also be prepared with l-amino acid oxidase. Mass spectrometric studies indicated that both of these derivatives had a molecular weight of 170.0690 and an empirical formula of C7H10O3N2. Upon exposure to acidic conditions the compound was converted a second form which had a molecular weight of 152.0585 and an empirical formula of C7H8O2N2. Nuclear magnetic resonance studies confirmed the cyclic structure of the unknown.

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