ES434112A1 - Un procedimiento para purificar cumarina o cumarina alcohi-lada contaminada. - Google Patents

Un procedimiento para purificar cumarina o cumarina alcohi-lada contaminada.

Info

Publication number
ES434112A1
ES434112A1 ES434112A ES434112A ES434112A1 ES 434112 A1 ES434112 A1 ES 434112A1 ES 434112 A ES434112 A ES 434112A ES 434112 A ES434112 A ES 434112A ES 434112 A1 ES434112 A1 ES 434112A1
Authority
ES
Spain
Prior art keywords
coumarin
layer
contaminated
substituents
temperature
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
ES434112A
Other languages
English (en)
Spanish (es)
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 ES434112A1 publication Critical patent/ES434112A1/es
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)
  • Fats And Perfumes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES434112A 1974-01-25 1975-01-24 Un procedimiento para purificar cumarina o cumarina alcohi-lada contaminada. Expired ES434112A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7401012A NL7401012A (nl) 1974-01-25 1974-01-25 Zuivering van cumarine en gealkyleerde derivaten hiervan.

Publications (1)

Publication Number Publication Date
ES434112A1 true ES434112A1 (es) 1976-12-16

Family

ID=19820611

Family Applications (1)

Application Number Title Priority Date Filing Date
ES434112A Expired ES434112A1 (es) 1974-01-25 1975-01-24 Un procedimiento para purificar cumarina o cumarina alcohi-lada contaminada.

Country Status (11)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3191333B2 (ja) * 1990-12-19 2001-07-23 住友化学工業株式会社 ３，４−ジヒドロクマリンの製造方法
JP6496705B2 (ja) 2016-12-16 2019-04-03 株式会社ダイセル 抄紙シート及び抄紙シートの製造方法

Also Published As

Publication number Publication date
DE2502690A1 (de) 1975-07-31
DE2502690C2 (de) 1984-05-10
NL7401012A (nl) 1975-07-29
CA1053687A (fr) 1979-05-01
BE824780A (nl) 1975-07-24
IT1026457B (it) 1978-09-20
JPS50106967A (fr) 1975-08-22
GB1443406A (en) 1976-07-21
CH593276A5 (fr) 1977-11-30
FR2259101A1 (fr) 1975-08-22
SE417609B (sv) 1981-03-30
FR2259101B1 (fr) 1978-02-24
JPS606950B2 (ja) 1985-02-21
SE7500786L (fr) 1975-07-28

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