GB1443406A - Purification of coumarin and alkylated derivatives thereof - Google Patents

Purification of coumarin and alkylated derivatives thereof

Info

Publication number
GB1443406A
GB1443406A GB236975A GB236975A GB1443406A GB 1443406 A GB1443406 A GB 1443406A GB 236975 A GB236975 A GB 236975A GB 236975 A GB236975 A GB 236975A GB 1443406 A GB1443406 A GB 1443406A
Authority
GB
United Kingdom
Prior art keywords
coumarin
purification
alkylated derivatives
jan
alkyl
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
GB236975A
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of GB1443406A publication Critical patent/GB1443406A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/10—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring unsubstituted

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Cosmetics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fats And Perfumes (AREA)

Abstract

1443406 Purifying coumarins STAMICARBON BV 20 Jan 1975 [25 Jan 1974] 2369/75 Heading C2C A coumarin of the formula where R 1 -R 6 are hydrogen or alkyl such that the total number of carbon atoms in the alkyl substituents is not more than 10, is purified by treating it with an aqueous solution of a basic compound, at 20-150‹ C. and washing the then treated coumarin with water at 20- 150‹ C.
GB236975A 1974-01-25 1975-01-20 Purification of coumarin and alkylated derivatives thereof Expired GB1443406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7401012A NL7401012A (en) 1974-01-25 1974-01-25 PURIFICATION OF CUMARIN AND ITS ALKYLATED DERIVATIVES.

Publications (1)

Publication Number Publication Date
GB1443406A true GB1443406A (en) 1976-07-21

Family

ID=19820611

Family Applications (1)

Application Number Title Priority Date Filing Date
GB236975A Expired GB1443406A (en) 1974-01-25 1975-01-20 Purification of coumarin and alkylated derivatives thereof

Country Status (11)

Country Link
JP (1) JPS606950B2 (en)
BE (1) BE824780A (en)
CA (1) CA1053687A (en)
CH (1) CH593276A5 (en)
DE (1) DE2502690C2 (en)
ES (1) ES434112A1 (en)
FR (1) FR2259101B1 (en)
GB (1) GB1443406A (en)
IT (1) IT1026457B (en)
NL (1) NL7401012A (en)
SE (1) SE417609B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218129A (en) * 1990-12-19 1993-06-08 Sumitomo Chemical Co., Ltd. Process for producing 3,4-dihydrocoumarin

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6496705B2 (en) 2016-12-16 2019-04-03 株式会社ダイセル Papermaking sheet and method for producing papermaking sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218129A (en) * 1990-12-19 1993-06-08 Sumitomo Chemical Co., Ltd. Process for producing 3,4-dihydrocoumarin

Also Published As

Publication number Publication date
FR2259101B1 (en) 1978-02-24
DE2502690C2 (en) 1984-05-10
SE417609B (en) 1981-03-30
CA1053687A (en) 1979-05-01
JPS606950B2 (en) 1985-02-21
NL7401012A (en) 1975-07-29
CH593276A5 (en) 1977-11-30
ES434112A1 (en) 1976-12-16
DE2502690A1 (en) 1975-07-31
JPS50106967A (en) 1975-08-22
FR2259101A1 (en) 1975-08-22
SE7500786L (en) 1975-07-28
IT1026457B (en) 1978-09-20
BE824780A (en) 1975-07-24

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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