IMPROVED SYNTHESIS OF UNSYMMETRICAL UREAS VIA N-ALKYL CARBAMATES

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An efficient, cost-effective, easy and green method is reported for the preparation of N,N-alkyl aryl ureas and N,N-dialkylureas via carbamates. This improved procedure is devoid of any hazardous reagents such as phosgent, isocyanates etc. and has shown a broad substrate scope with good to excellent yields. As compared to literature reports, this procedure is operationally simple, potentially scalable and significantly benign to synthesize these important motifs.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: IMPROVED SYNTHESIS OF UNSYMMETRICAL UREAS VIA N-ALKYL CARBAMATES ; day:21 ; month:08 ; year:2023
SynOpen ; (21.08.2023)

Contributor: Ramteke, Prachi
Tanwar, Dinesh Kumar
Gill, Manjinder Singh

DOI: 10.1055/a-2157-5925

URN: urn:nbn:de:101:1-2023100512365719222036

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:49 AM CEST

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Ramteke, Prachi
Tanwar, Dinesh Kumar
Gill, Manjinder Singh

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IMPROVED SYNTHESIS OF UNSYMMETRICAL UREAS VIA N-ALKYL CARBAMATES

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Other Objects (12)

General Synthesis of Alkyl Amines via Borrowing Hydrogen and Reductive Amination

General Synthesis of Alkyl Amines via Borrowing Hydrogen and Reductive Amination

Synthesis of 2-substituted tryptophans via a C3- to C2-alkyl migration

Synthesis of C-Alkyl Glycoamino Acids via Palladium-Catalyzed C(sp3)–H Glycosylation

β-Mannanase-catalyzed synthesis of alkyl mannooligosides

Exploiting trans ‐Sulfinylation for the Synthesis of Diverse N ‐Alkyl Sulfinamides via Decarboxylative Sulfinamidation

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Synthesis of Secondary Boronates via Deaminative Cross‐Coupling of Alkyl Nitroso Carbamates and Boronic Acids

Synthesis of N 1 -alkyl-1,4-diazepin-5-ones via Schmidt ring expansion chemistry

Synthesis of 3-alkyl-5-allylamino-2-benzoylimino-1,3,4-thiadiazoles via Dimroth rearrangement

General Synthesis of Alkyl Amines via Borrowing Hydrogen and Reductive Amination

General Synthesis of Alkyl Amines via Borrowing Hydrogen and Reductive Amination

Synthesis of 2-substituted tryptophans via a C3- to C2-alkyl migration

Synthesis of C-Alkyl Glycoamino Acids via Palladium-Catalyzed C(sp3)–H Glycosylation

β-Mannanase-catalyzed synthesis of alkyl mannooligosides

Exploiting trans ‐Sulfinylation for the Synthesis of Diverse N ‐Alkyl Sulfinamides via Decarboxylative Sulfinamidation

Exploiting trans ‐Sulfinylation for the Synthesis of Diverse N ‐Alkyl Sulfinamides via Decarboxylative Sulfinamidation

AN EFFICIENT SYNTHESIS OF 3-ALKYL-, 3-ALKENYL AND 3-ACETYLENETRIAZINE DERIVATIVES via FHOSPHORANYLIDENETRIAZINES

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Synthesis of Secondary Boronates via Deaminative Cross‐Coupling of Alkyl Nitroso Carbamates and Boronic Acids

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General Synthesis of Alkyl Amines via Borrowing Hydrogen and Reductive Amination

Synthesis of 2-substituted tryptophans via a C3- to C2-alkyl migration

Synthesis of C-Alkyl Glycoamino Acids via Palladium-Catalyzed C(sp3)–H Glycosylation

β-Mannanase-catalyzed synthesis of alkyl mannooligosides

Exploiting trans ‐Sulfinylation for the Synthesis of Diverse N ‐Alkyl Sulfinamides via Decarboxylative Sulfinamidation

Exploiting trans ‐Sulfinylation for the Synthesis of Diverse N ‐Alkyl Sulfinamides via Decarboxylative Sulfinamidation

AN EFFICIENT SYNTHESIS OF 3-ALKYL-, 3-ALKENYL AND 3-ACETYLENETRIAZINE DERIVATIVES via FHOSPHORANYLIDENETRIAZINES

Synthesis of Secondary Boronates via Deaminative Cross‐Coupling of Alkyl Nitroso Carbamates and Boronic Acids

Synthesis of Secondary Boronates via Deaminative Cross‐Coupling of Alkyl Nitroso Carbamates and Boronic Acids

Synthesis of N 1 -alkyl-1,4-diazepin-5-ones via Schmidt ring expansion chemistry

Synthesis of 3-alkyl-5-allylamino-2-benzoylimino-1,3,4-thiadiazoles via Dimroth rearrangement

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