1,2,3-Triazole, an intermediate for β-lactam antibiotics was prepared from tosylchloride by condensation with hydrazine hydrate in benzene to give tosylhydrazide and then cyclitation with glyoxal and ammonia with an ...1,2,3-Triazole, an intermediate for β-lactam antibiotics was prepared from tosylchloride by condensation with hydrazine hydrate in benzene to give tosylhydrazide and then cyclitation with glyoxal and ammonia with an overall yield of 53.8%.展开更多
文摘1,2,3-Triazole, an intermediate for β-lactam antibiotics was prepared from tosylchloride by condensation with hydrazine hydrate in benzene to give tosylhydrazide and then cyclitation with glyoxal and ammonia with an overall yield of 53.8%.