GB1451167A - Method for separating lactones from a mixture containing lactones - Google Patents

Method for separating lactones from a mixture containing lactones

Info

Publication number
GB1451167A
GB1451167A GB1171774A GB1171774A GB1451167A GB 1451167 A GB1451167 A GB 1451167A GB 1171774 A GB1171774 A GB 1171774A GB 1171774 A GB1171774 A GB 1171774A GB 1451167 A GB1451167 A GB 1451167A
Authority
GB
United Kingdom
Prior art keywords
lactones
group
hydroxy acids
separating
bonded
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
GB1171774A
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.)
Sumitomo Chemical Co Ltd
Teijin Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Teijin 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, Teijin Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of GB1451167A publication Critical patent/GB1451167A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Pyrane Compounds (AREA)
  • Furan Compounds (AREA)
GB1171774A 1973-03-17 1974-03-15 Method for separating lactones from a mixture containing lactones Expired GB1451167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48030510A JPS49132067A (cg-RX-API-DMAC10.html) 1973-03-17 1973-03-17

Publications (1)

Publication Number Publication Date
GB1451167A true GB1451167A (en) 1976-09-29

Family

ID=12305796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1171774A Expired GB1451167A (en) 1973-03-17 1974-03-15 Method for separating lactones from a mixture containing lactones

Country Status (9)

Country Link
US (1) US3953472A (cg-RX-API-DMAC10.html)
JP (1) JPS49132067A (cg-RX-API-DMAC10.html)
CA (1) CA1014886A (cg-RX-API-DMAC10.html)
CH (1) CH605884A5 (cg-RX-API-DMAC10.html)
DE (1) DE2411604A1 (cg-RX-API-DMAC10.html)
FR (1) FR2221447B1 (cg-RX-API-DMAC10.html)
GB (1) GB1451167A (cg-RX-API-DMAC10.html)
IT (1) IT1003762B (cg-RX-API-DMAC10.html)
NL (1) NL7403539A (cg-RX-API-DMAC10.html)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2234551A (en) * 1941-03-11 Preparation of lactones
US2936310A (en) * 1960-05-10 Process of preparing macrocyclic
DE1210785B (de) * 1963-11-27 1966-02-17 Basf Ag Verfahren zur Gewinnung von epsilon-Hydroxycapron-saeure
US3624258A (en) * 1969-03-22 1971-11-30 Teijin Ltd Process for the preparation of {68 -caprolactone
US3825570A (en) * 1971-11-02 1974-07-23 Teijin Ltd Process for the preparation of epsilon-caprolactone

Also Published As

Publication number Publication date
NL7403539A (cg-RX-API-DMAC10.html) 1974-09-19
DE2411604A1 (de) 1974-09-26
US3953472A (en) 1976-04-27
FR2221447A1 (cg-RX-API-DMAC10.html) 1974-10-11
CA1014886A (en) 1977-08-02
JPS49132067A (cg-RX-API-DMAC10.html) 1974-12-18
CH605884A5 (cg-RX-API-DMAC10.html) 1978-10-13
IT1003762B (it) 1976-06-10
FR2221447B1 (cg-RX-API-DMAC10.html) 1978-01-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee