ES373164A1 - A method for the preparation of 1-carbamoil-substituted-2 benzymidazolcarbamates. (Machine-translation by Google Translate, not legally binding) - Google Patents

A method for the preparation of 1-carbamoil-substituted-2 benzymidazolcarbamates. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES373164A1
ES373164A1 ES373164A ES373164A ES373164A1 ES 373164 A1 ES373164 A1 ES 373164A1 ES 373164 A ES373164 A ES 373164A ES 373164 A ES373164 A ES 373164A ES 373164 A1 ES373164 A1 ES 373164A1
Authority
ES
Spain
Prior art keywords
benzymidazolcarbamates
carbamoil
translation
substituted
preparation
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
ES373164A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of ES373164A1 publication Critical patent/ES373164A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles 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 in position 2
    • C07D235/30—Nitrogen atoms not forming part of a nitro radical
    • C07D235/32—Benzimidazole-2-carbamic acids, unsubstituted or substituted; Esters thereof; Thio-analogues thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Benzimidazoles of the formula wherein R is a methyl, ethyl or isopropyl group and R 1 is a C 1-8 n-alkyl group, are obtained by reacting the corresponding alkyl 2-benzimidazolecarbamates with isocyanates (R 1 NCO) in liquids selected from acetone, methylethyl ketone, 2-ethoxyethanol, dimethylformamide, dimethylacetamide, dimethylsulphoxide and methyl isobutyl ketone, optionally in admixture with water. Reference has been directed by the Comptroller to Specification 1,193,462.
ES373164A 1968-11-08 1969-11-04 A method for the preparation of 1-carbamoil-substituted-2 benzymidazolcarbamates. (Machine-translation by Google Translate, not legally binding) Expired ES373164A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77452868A 1968-11-08 1968-11-08

Publications (1)

Publication Number Publication Date
ES373164A1 true ES373164A1 (en) 1971-12-16

Family

ID=25101519

Family Applications (1)

Application Number Title Priority Date Filing Date
ES373164A Expired ES373164A1 (en) 1968-11-08 1969-11-04 A method for the preparation of 1-carbamoil-substituted-2 benzymidazolcarbamates. (Machine-translation by Google Translate, not legally binding)

Country Status (8)

Country Link
JP (1) JPS4838709B1 (en)
BE (1) BE741429A (en)
DE (1) DE1956157A1 (en)
ES (1) ES373164A1 (en)
FR (1) FR2022902A1 (en)
GB (1) GB1238977A (en)
IL (1) IL33182A (en)
NL (1) NL6916002A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU172341B (en) * 1975-05-06 1978-08-28 Chinoin Gyogyszer Es Vegyeszet Process for producing urea derivatives
DE2726734C2 (en) * 1977-06-14 1983-04-14 FERI - Einstechwerkzeuge GmbH, 8000 München Grooving tool and method for finishing such a grooving tool

Also Published As

Publication number Publication date
FR2022902A1 (en) 1970-08-07
IL33182A (en) 1972-05-30
BE741429A (en) 1970-04-16
NL6916002A (en) 1970-05-12
IL33182A0 (en) 1969-12-31
DE1956157A1 (en) 1970-06-04
JPS4838709B1 (en) 1973-11-19
GB1238977A (en) 1971-07-14

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19911008