GB415259A - Process for the manufacture of cyclic ª‡-cyanketimides and cyclic ª‡-cyanketones - Google Patents

Process for the manufacture of cyclic ª‡-cyanketimides and cyclic ª‡-cyanketones

Info

Publication number
GB415259A
GB415259A GB21991/33A GB2199133A GB415259A GB 415259 A GB415259 A GB 415259A GB 21991/33 A GB21991/33 A GB 21991/33A GB 2199133 A GB2199133 A GB 2199133A GB 415259 A GB415259 A GB 415259A
Authority
GB
United Kingdom
Prior art keywords
product
alpha
lithium
cyclic
acid
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.)
Expired
Application number
GB21991/33A
Other languages
English (en)
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.)
Schering Kahlbaum AG
Original Assignee
Schering Kahlbaum AG
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 Schering Kahlbaum AG filed Critical Schering Kahlbaum AG
Publication of GB415259A publication Critical patent/GB415259A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/42Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB21991/33A 1932-08-16 1933-08-04 Process for the manufacture of cyclic ª‡-cyanketimides and cyclic ª‡-cyanketones Expired GB415259A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DESCH98619D DE591269C (de) 1932-08-16 1932-08-16 Verfahren zur Darstellung cyclischer ª‡-Cyanketimide und cyclischer ª‡-Cyanketone
DESCH102689D DE620904C (de) 1932-08-16 1933-11-19 Verfahren zur Darstellung cyclischer ª‡-Cyanketimide und cyclischer ª‡-Cyanketone

Publications (1)

Publication Number Publication Date
GB415259A true GB415259A (en) 1934-08-23

Family

ID=25932790

Family Applications (2)

Application Number Title Priority Date Filing Date
GB21991/33A Expired GB415259A (en) 1932-08-16 1933-08-04 Process for the manufacture of cyclic ª‡-cyanketimides and cyclic ª‡-cyanketones
GB33271/34A Expired GB438291A (en) 1932-08-16 1934-11-19 Process for the manufacture of cyclic ª‡-cyanketimides and cyclic cyanketones

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB33271/34A Expired GB438291A (en) 1932-08-16 1934-11-19 Process for the manufacture of cyclic ª‡-cyanketimides and cyclic cyanketones

Country Status (4)

Country Link
DE (2) DE591269C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (2) FR759436A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB415259A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL35493C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426235A (en) * 1993-06-30 1995-06-20 Basf Aktiengesellschaft Preparation of cyclic ketones
CN115650880A (zh) * 2022-11-03 2023-01-31 万华化学(宁波)有限公司 一种过保质期mdi的回收处理方法及由其制备碳化二亚胺改性异氰酸酯的方法和产品

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3452443B1 (en) * 2016-05-02 2020-05-13 INVISTA Textiles (U.K.) Limited Process for reducing cpi in a dinitrile stream

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426235A (en) * 1993-06-30 1995-06-20 Basf Aktiengesellschaft Preparation of cyclic ketones
CN115650880A (zh) * 2022-11-03 2023-01-31 万华化学(宁波)有限公司 一种过保质期mdi的回收处理方法及由其制备碳化二亚胺改性异氰酸酯的方法和产品

Also Published As

Publication number Publication date
DE591269C (de) 1934-01-19
FR46401E (fr) 1936-06-03
FR759436A (fr) 1934-02-01
GB438291A (en) 1935-11-14
NL35493C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1935-05-15
DE620904C (de) 1935-10-30
NL39070C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1936-09-15

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