发明授权
US5801251A Process for crystallizing N.sup.2 -((S)-1-ethoxycarbonyl-3-phenylpropyl)-N.sup.6 -trifluoroacetyl-L-lysyl-L-proline 失效
使N 2 - ((S)-1-乙氧基羰基-3-苯基丙基)-N6-三氟乙酰基-L-赖氨酰-L-脯氨酸结晶的方法

Process for crystallizing N.sup.2
-((S)-1-ethoxycarbonyl-3-phenylpropyl)-N.sup.6
-trifluoroacetyl-L-lysyl-L-proline
摘要:
A process for crystallizing N.sup.2 -((S)-1-ethoxycarbonyl-3-phenylpropyl)-N.sup.6 -trifluoroacetyl-L-lysyl-L-proline using one or a mixture of at least two kinds of compound having the general formula: CR.sup.1 R.sup.2 R.sup.3 R.sup.4 as a crystallizing solvent, optionally with an auxiliary solvent which controls crystallization condition.
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