FR46401E - Process for the preparation of cyclic alpha-cyanoketimides and cyclic alpha-cyanoketones - Google Patents

Process for the preparation of cyclic alpha-cyanoketimides and cyclic alpha-cyanoketones

Info

Publication number
FR46401E
FR46401E FR46401DA FR46401E FR 46401 E FR46401 E FR 46401E FR 46401D A FR46401D A FR 46401DA FR 46401 E FR46401 E FR 46401E
Authority
FR
France
Prior art keywords
cyclic alpha
cyanoketimides
cyanoketones
preparation
alpha
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR46401E publication Critical patent/FR46401E/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/42—Preparation 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)
FR46401D 1932-08-16 1934-11-19 Process for the preparation of cyclic alpha-cyanoketimides and cyclic alpha-cyanoketones Expired FR46401E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DESCH98619D DE591269C (en) 1932-08-16 1932-08-16 Process for the preparation of cyclic ª ‡ -Cyanketimides and cyclic ª ‡ -Cyanketones
DESCH102689D DE620904C (en) 1932-08-16 1933-11-19 Process for the preparation of cyclic ª ‡ -Cyanketimides and cyclic ª ‡ -Cyanketones

Publications (1)

Publication Number Publication Date
FR46401E true FR46401E (en) 1936-06-03

Family

ID=25932790

Family Applications (2)

Application Number Title Priority Date Filing Date
FR759436D Expired FR759436A (en) 1932-08-16 1933-08-10 Process for the preparation of cyclic alpha-cyanoketimides and cyclic alpha-cyanoketones
FR46401D Expired FR46401E (en) 1932-08-16 1934-11-19 Process for the preparation of cyclic alpha-cyanoketimides and cyclic alpha-cyanoketones

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR759436D Expired FR759436A (en) 1932-08-16 1933-08-10 Process for the preparation of cyclic alpha-cyanoketimides and cyclic alpha-cyanoketones

Country Status (4)

Country Link
DE (2) DE591269C (en)
FR (2) FR759436A (en)
GB (2) GB415259A (en)
NL (2) NL35493C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4321692A1 (en) * 1993-06-30 1995-01-12 Basf Ag Process for the preparation of cyclic ketones
WO2017192350A1 (en) 2016-05-02 2017-11-09 Invista North America S.A R.L. Process for reducing cpi in a dinitrile stream
CN115650880B (en) * 2022-11-03 2024-08-20 万华化学（宁波）有限公司 Recovery processing method of MDI with expiration date, and method and product for preparing carbodiimide modified isocyanate from MDI

Also Published As

Publication number Publication date
GB415259A (en) 1934-08-23
GB438291A (en) 1935-11-14
NL35493C (en) 1935-05-15
DE620904C (en) 1935-10-30
DE591269C (en) 1934-01-19
FR759436A (en) 1934-02-01
NL39070C (en) 1936-09-15

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