ES475197A1 - Procedimiento para preparar derivados de tiofeno y furano - Google Patents

Procedimiento para preparar derivados de tiofeno y furano

Info

Publication number
ES475197A1
ES475197A1 ES475197A ES475197A ES475197A1 ES 475197 A1 ES475197 A1 ES 475197A1 ES 475197 A ES475197 A ES 475197A ES 475197 A ES475197 A ES 475197A ES 475197 A1 ES475197 A1 ES 475197A1
Authority
ES
Spain
Prior art keywords
furan derivatives
preparing thiophene
preparing
thiophene
furan
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
ES475197A
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.)
Labaz SA
Original Assignee
Labaz SA
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 Labaz SA filed Critical Labaz SA
Publication of ES475197A1 publication Critical patent/ES475197A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/26Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D333/42Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms with nitro or nitroso radicals directly attached to ring carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/70Nitro radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

Procedimiento para preparar derivados nitrados de tiofeno y furano, de fórmula general: *** ver imagen 01 en la que X es oxígeno o azufre, por reacción de un halógeno y un aldehido de fórmula general: *** ver imagen 02 en la que X se define como anteriormente, caracterizado porque en una solución metabólica del aldehido de fórmula II, se introduce: - un halógeno seguido por un hidróxido de metal alcalino, o - un carbonato de metal alcalino, un bicarbonato de metal alcalino o una mezcla de acetato de metal alcalino/ácido acético y a continuación un halógeno.
ES475197A 1977-11-17 1978-11-17 Procedimiento para preparar derivados de tiofeno y furano Expired ES475197A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7734553A FR2409266A1 (fr) 1977-11-17 1977-11-17 Procede de preparation de derives du thiophene et du furanne et derives obtenus par ce procede

Publications (1)

Publication Number Publication Date
ES475197A1 true ES475197A1 (es) 1979-04-01

Family

ID=9197724

Family Applications (1)

Application Number Title Priority Date Filing Date
ES475197A Expired ES475197A1 (es) 1977-11-17 1978-11-17 Procedimiento para preparar derivados de tiofeno y furano

Country Status (10)

Country Link
US (1) US4219482A (es)
JP (1) JPS5479264A (es)
BE (1) BE872046A (es)
CH (1) CH635837A5 (es)
DE (1) DE2849312A1 (es)
ES (1) ES475197A1 (es)
FR (1) FR2409266A1 (es)
GB (1) GB1579103A (es)
IT (1) IT1101709B (es)
NL (1) NL7811289A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102558117B (zh) * 2011-12-15 2014-10-08 北京金骄生物质化工有限公司 一种利用废弃生物质制备5-硝基-2-糠酸酯的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE116452C (es) *
DE908023C (de) * 1951-07-26 1954-04-01 Bayer Ag Verfahren zur Oxydation von Furfurol zu Brenzschleimsaeure bzw. deren Salzen
US3733319A (en) * 1970-01-07 1973-05-15 Us Army Nitrothiophenes
DD116452A1 (es) * 1974-11-14 1975-11-20

Also Published As

Publication number Publication date
BE872046A (fr) 1979-05-16
CH635837A5 (fr) 1983-04-29
NL7811289A (nl) 1979-05-21
FR2409266A1 (fr) 1979-06-15
FR2409266B1 (es) 1981-05-22
GB1579103A (en) 1980-11-12
IT7829834A0 (it) 1978-11-16
DE2849312A1 (de) 1979-05-23
JPS5479264A (en) 1979-06-25
US4219482A (en) 1980-08-26
IT1101709B (it) 1985-10-07

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990405