ES322461A2 - METHOD OF PREPARING A NITROFURAN COMPOUND. - Google Patents

METHOD OF PREPARING A NITROFURAN COMPOUND.

Info

Publication number
ES322461A2
ES322461A2 ES0322461A ES322461A ES322461A2 ES 322461 A2 ES322461 A2 ES 322461A2 ES 0322461 A ES0322461 A ES 0322461A ES 322461 A ES322461 A ES 322461A ES 322461 A2 ES322461 A2 ES 322461A2
Authority
ES
Spain
Prior art keywords
compound
formula
preparing
preparation
nitrofuran compound
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
ES0322461A
Other languages
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.)
Warner Chilcott Pharmaceuticals Inc
Original Assignee
Norwich Pharmacal Co
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
Priority claimed from US438743A external-priority patent/US3277110A/en
Application filed by Norwich Pharmacal Co filed Critical Norwich Pharmacal Co
Publication of ES322461A2 publication Critical patent/ES322461A2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic 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
    • C07D307/56—Heterocyclic 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
    • C07D307/70—Nitro radicals
    • C07D307/71—Nitro radicals attached in position 5
    • C07D307/72—Nitro radicals attached in position 5 with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2
    • C07D307/74—Nitro radicals attached in position 5 with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2 by hydrazino or hydrazono or such substituted radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

Improvements introduced in the object of the main patent no. 306,495 by "METHOD OF PREPARATION OF A NITROFURAN COMPOUND" characterized in that they comprise the preparation of a compound of the formula: ** (See formula) ** where R is a member of the group consisting of hydrogen and a lower alkyl, which is to react a compound of the formula: ** (See formula) ** where R is a lower alkanoyl group, with a ring-forming agent. (Machine-translation by Google Translate, not legally binding)
ES0322461A 1965-03-10 1966-01-31 METHOD OF PREPARING A NITROFURAN COMPOUND. Expired ES322461A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US438743A US3277110A (en) 1964-01-09 1965-03-10 Certain 5-nitro-2-furyl-1, 2, 4-triazoles

Publications (1)

Publication Number Publication Date
ES322461A2 true ES322461A2 (en) 1966-11-16

Family

ID=23741834

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0322461A Expired ES322461A2 (en) 1965-03-10 1966-01-31 METHOD OF PREPARING A NITROFURAN COMPOUND.

Country Status (3)

Country Link
AT (1) AT252906B (en)
ES (1) ES322461A2 (en)
SE (1) SE220121C1 (en)

Also Published As

Publication number Publication date
SE220121C1 (en) 1968-04-23
AT252906B (en) 1967-03-10

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