2) using pyridine as raw material and pyridine N-oxide et al as medium products ;3) 4-pyridyl-pyridinium dichloride (dibromide) as medium products.
以
啶为原料,经氧化、硝化、铁-酸还原或催化加氢合
4-氨基啶及
他合4-氨基啶的路线;
啶(盐)2) using pyridine as raw material and pyridine N-oxide et al as medium products ;3) 4-pyridyl-pyridinium dichloride (dibromide) as medium products.
以啶为原料,经氧化、硝化、铁-酸还原或催化加氢合4-氨基啶及他合4-氨基啶的路线;
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