Process for the preparation of a dihydroxyamino compound

Details Process for the preparation of a dihydroxyamino compound Process for the preparation of a dihydroxyamino compound

1997-10-21

1999-02-23

Burn, Brian M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564476, 564497, C07C20984

Patent

active

058746242

ABSTRACT:
Disclosed are a process for the preparation of a dihydroxyamino compound in which water and discoloring ingredients are removed while preventing decomposition of a dihydroxyamino compound by distilling a crude reaction liquid containing an epoxy compound and an amino compound at a specified temperature and pressure, a process for improving a yield of a dihydroxyamino compound having high purity by recirculating an aqueous solution of an amino compound recollected from a crude reaction liquid into a reaction step, and a process in which there are prevented discoloration and a yield decline of a dihydroxyamino compound.

REFERENCES:
patent: 5750792 (1998-05-01), Koyama et al.

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