JPS5373578A - Continuous purification of alpha-amino-epsilon-caprolactam - Google Patents

Continuous purification of alpha-amino-epsilon-caprolactam

Info

Publication number
JPS5373578A
JPS5373578A JP14995476A JP14995476A JPS5373578A JP S5373578 A JPS5373578 A JP S5373578A JP 14995476 A JP14995476 A JP 14995476A JP 14995476 A JP14995476 A JP 14995476A JP S5373578 A JPS5373578 A JP S5373578A
Authority
JP
Japan
Prior art keywords
amino
caprolactam
epsilon
alpha
continuous purification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14995476A
Other languages
Japanese (ja)
Inventor
Ichiro Kawamoto
Yoshihiro Shibai
Tetsuo Mizusawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP14995476A priority Critical patent/JPS5373578A/en
Publication of JPS5373578A publication Critical patent/JPS5373578A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prepare the title cpd., useful as raw materials for lysine as an essential amino-acid, by neutralization and extraction of the Beckmann rearrangement product of 2-aminocyclohexanoneoxime.
COPYRIGHT: (C)1978,JPO&Japio
JP14995476A 1976-12-14 1976-12-14 Continuous purification of alpha-amino-epsilon-caprolactam Pending JPS5373578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14995476A JPS5373578A (en) 1976-12-14 1976-12-14 Continuous purification of alpha-amino-epsilon-caprolactam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14995476A JPS5373578A (en) 1976-12-14 1976-12-14 Continuous purification of alpha-amino-epsilon-caprolactam

Publications (1)

Publication Number Publication Date
JPS5373578A true JPS5373578A (en) 1978-06-30

Family

ID=15486214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14995476A Pending JPS5373578A (en) 1976-12-14 1976-12-14 Continuous purification of alpha-amino-epsilon-caprolactam

Country Status (1)

Country Link
JP (1) JPS5373578A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725391A (en) * 1970-11-30 1973-04-03 Toray Industries Process for the preparation of lactams from cycloalkanone oximes
NL7215365A (en) * 1972-11-14 1974-05-16 Separating lactams and recovering conc. sulphuric acid - as valuable by-prod. from Beckmann conversion mixts. by extracting sulphuric acid with alkanol
US3991047A (en) * 1974-09-03 1976-11-09 Inventa Ag Fur Forschung Und Patentverwertung Process for preparing lactams

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725391A (en) * 1970-11-30 1973-04-03 Toray Industries Process for the preparation of lactams from cycloalkanone oximes
NL7215365A (en) * 1972-11-14 1974-05-16 Separating lactams and recovering conc. sulphuric acid - as valuable by-prod. from Beckmann conversion mixts. by extracting sulphuric acid with alkanol
US3991047A (en) * 1974-09-03 1976-11-09 Inventa Ag Fur Forschung Und Patentverwertung Process for preparing lactams

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