JP7697365B2 - ε－カプロラクタムの製造方法 - Google Patents

ε－カプロラクタムの製造方法 Download PDF

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Publication number
JP7697365B2
JP7697365B2 JP2021504840A JP2021504840A JP7697365B2 JP 7697365 B2 JP7697365 B2 JP 7697365B2 JP 2021504840 A JP2021504840 A JP 2021504840A JP 2021504840 A JP2021504840 A JP 2021504840A JP 7697365 B2 JP7697365 B2 JP 7697365B2
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JP
Japan
Prior art keywords
cyanovaleramide
caprolactam
catalyst
hydrogenation
reaction
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JP2021504840A
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Japanese (ja)
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JPWO2021100759A1 (https=
JPWO2021100759A5 (https=
Inventor
大治郎 塚本
健司 河村
勝成 山田
真人 赤平
大介 山本
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Toray Industries Inc
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Toray Industries Inc
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Publication of JPWO2021100759A5 publication Critical patent/JPWO2021100759A5/ja
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D223/08—Oxygen atoms
    • C07D223/10—Oxygen atoms attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/12—Formation of amino and carboxyl groups

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2021504840A 2019-11-19 2020-11-18 ε－カプロラクタムの製造方法 Active JP7697365B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019208677 2019-11-19
JP2019208677 2019-11-19
PCT/JP2020/042999 WO2021100759A1 (ja) 2019-11-19 2020-11-18 ε－カプロラクタムの製造方法

Publications (3)

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JPWO2021100759A1 JPWO2021100759A1 (https=) 2021-05-27
JPWO2021100759A5 JPWO2021100759A5 (https=) 2023-10-26
JP7697365B2 true JP7697365B2 (ja) 2025-06-24

Family

ID=75980772

Family Applications (1)

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JP2021504840A Active JP7697365B2 (ja) 2019-11-19 2020-11-18 ε－カプロラクタムの製造方法

Country Status (5)

Country Link
US (1) US12365652B2 (https=)
EP (1) EP4063345A4 (https=)
JP (1) JP7697365B2 (https=)
CN (1) CN114728898A (https=)
WO (1) WO2021100759A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025136752A1 (en) 2023-12-21 2025-06-26 Sumitomo Chemical Company, Limited Liquid crystalline polyester comprising a branch monomer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003530380A (ja) 2000-04-05 2003-10-14 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ６−アミノカプロアミドの調製方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1039744A (en) 1962-03-09 1966-08-24 Asahi Chemical Ind Process for the preparation of adiponitrile
JPS499473B1 (https=) * 1968-08-26 1974-03-05
GB1268869A (en) 1968-09-04 1972-03-29 Teijin Ltd PROCESS FOR THE PREPARATION OF epsilon-CAPROLACTAM
JPS4631539B1 (https=) * 1968-09-04 1971-09-13
BE1009330A3 (nl) * 1995-04-14 1997-02-04 Dsm Nv Depolymeriseren van polyamiden.
US5858736A (en) 1996-05-17 1999-01-12 E. I. Du Pont De Nemours And Company Preparation of lactams from aliphatic α,ω-dinitriles
CN110023285B (zh) * 2016-12-06 2023-01-17 东丽株式会社 ε-己内酰胺的制造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003530380A (ja) 2000-04-05 2003-10-14 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ６−アミノカプロアミドの調製方法

Also Published As

Publication number Publication date
CN114728898A (zh) 2022-07-08
WO2021100759A1 (ja) 2021-05-27
US20220411379A1 (en) 2022-12-29
EP4063345A4 (en) 2024-01-10
JPWO2021100759A1 (https=) 2021-05-27
EP4063345A1 (en) 2022-09-28
US12365652B2 (en) 2025-07-22

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