DE1768268C3 - Verfahren zur Herstellung von y Ketocarbonsaureesterathylenketalen - Google Patents

Verfahren zur Herstellung von y Ketocarbonsaureesterathylenketalen

Info

Publication number
DE1768268C3
DE1768268C3 DE1768268A DE1768268A DE1768268C3 DE 1768268 C3 DE1768268 C3 DE 1768268C3 DE 1768268 A DE1768268 A DE 1768268A DE 1768268 A DE1768268 A DE 1768268A DE 1768268 C3 DE1768268 C3 DE 1768268C3
Authority
DE
Germany
Prior art keywords
ester
ethyl
ketocarboxylic acid
ethylene glycol
reaction
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
DE1768268A
Other languages
German (de)
English (en)
Other versions
DE1768268A1 (de
DE1768268B2 (de
Inventor
Nobushige Minoo Itaya
Osamu Osaka Magara
Masanao Tokio Matsui (Japan)
Shizuya Minoo Tanaka
Hirosuke Austin Tex. Yoshioka (V.St.A.)
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of DE1768268A1 publication Critical patent/DE1768268A1/de
Publication of DE1768268B2 publication Critical patent/DE1768268B2/de
Application granted granted Critical
Publication of DE1768268C3 publication Critical patent/DE1768268C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D317/30—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE1768268A 1967-04-25 1968-04-23 Verfahren zur Herstellung von y Ketocarbonsaureesterathylenketalen Expired DE1768268C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2677367 1967-04-25

Publications (3)

Publication Number Publication Date
DE1768268A1 DE1768268A1 (de) 1972-02-24
DE1768268B2 DE1768268B2 (de) 1973-04-05
DE1768268C3 true DE1768268C3 (de) 1973-10-31

Family

ID=12202600

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1768268A Expired DE1768268C3 (de) 1967-04-25 1968-04-23 Verfahren zur Herstellung von y Ketocarbonsaureesterathylenketalen

Country Status (10)

Country Link
BE (1) BE714139A (en:Method)
BR (1) BR6898523D0 (en:Method)
CH (1) CH498828A (en:Method)
CS (1) CS162615B2 (en:Method)
DE (1) DE1768268C3 (en:Method)
DK (1) DK121126B (en:Method)
FR (1) FR1560177A (en:Method)
GB (1) GB1196202A (en:Method)
IL (1) IL29862A (en:Method)
NL (1) NL6805723A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2762862A1 (en) 2009-05-29 2010-12-02 Segetis, Inc. Solvent, solution, cleaning composition and methods
CN103069343B (zh) * 2010-08-12 2015-09-09 赛格提斯有限公司 羧基酯缩酮除去组合物、其制造方法及应用
WO2014047428A1 (en) 2012-09-21 2014-03-27 Segetis, Inc. Cleaning, surfactant, and personal care compositions
CN110922445A (zh) * 2018-09-20 2020-03-27 天津金耀集团有限公司 一种制备孕甾16，17位缩酮的合成方法

Also Published As

Publication number Publication date
DE1768268A1 (de) 1972-02-24
BE714139A (en:Method) 1968-09-16
DE1768268B2 (de) 1973-04-05
IL29862A (en) 1972-01-27
CH498828A (de) 1970-11-15
FR1560177A (en:Method) 1969-03-14
NL6805723A (en:Method) 1968-10-28
GB1196202A (en) 1970-06-24
CS162615B2 (en:Method) 1975-07-15
IL29862A0 (en) 1968-06-20
BR6898523D0 (pt) 1973-01-16
DK121126B (da) 1971-09-13

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee