Three new impurities of d-Biotin were synthesized:(2S,3S,4S)-5-(3,4-diamino-tetrahydro-thiophen-2-yl)-pentanoic acid,(3aS,4S,6aR)-hexahydro-1-thia-3,4a-diaza-cyclopenta inden-4-one and(3aS,4S,6aR)-4-(5’-Oxo-hexyl)-te...Three new impurities of d-Biotin were synthesized:(2S,3S,4S)-5-(3,4-diamino-tetrahydro-thiophen-2-yl)-pentanoic acid,(3aS,4S,6aR)-hexahydro-1-thia-3,4a-diaza-cyclopenta inden-4-one and(3aS,4S,6aR)-4-(5’-Oxo-hexyl)-tetrahydro-thieno-imidazol-2-one.Structures of target compounds were confirmed by NMR and so on.Our work further improved the research on the impurities of d-biotin,and can be applied to the quality control and quality assurance of d-biotin.展开更多
文摘Three new impurities of d-Biotin were synthesized:(2S,3S,4S)-5-(3,4-diamino-tetrahydro-thiophen-2-yl)-pentanoic acid,(3aS,4S,6aR)-hexahydro-1-thia-3,4a-diaza-cyclopenta inden-4-one and(3aS,4S,6aR)-4-(5’-Oxo-hexyl)-tetrahydro-thieno-imidazol-2-one.Structures of target compounds were confirmed by NMR and so on.Our work further improved the research on the impurities of d-biotin,and can be applied to the quality control and quality assurance of d-biotin.
