Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine
- Autores
- Díaz, Jimena Estela; Ranieri, Silvia; Gruber, Nadia; Orelli, Liliana Raquel
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A straightforward strategy for the synthesis of dihydroquinazolines is presented, which allows for the preparation of 3,4- and 1,4-dihydroquinazolines with different substitution patterns from 2-aminobenzylamine (2-ABA) as common precursor. The required functionalization of both amino groups present in 2-ABA was achieved by different routes involving selective N-acylation and cesium carbonate mediated N-alkylation reactions, avoiding protection/deprotection steps. The heterocycles were efficiently synthesized in short reaction times by microwave-assisted ring closure of the corresponding aminoamides promoted by ethyl polyphosphate (PPE).
Fil: Díaz, Jimena Estela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina
Fil: Ranieri, Silvia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Universita Degli Studi Di Bologna; Italia
Fil: Gruber, Nadia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina
Fil: Orelli, Liliana Raquel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina - Materia
-
Dihydroquinazolines
N-alkylations
N-acylations
Microwaves
PPE - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/49091
Ver los metadatos del registro completo
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Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamineDíaz, Jimena EstelaRanieri, SilviaGruber, NadiaOrelli, Liliana RaquelDihydroquinazolinesN-alkylationsN-acylationsMicrowavesPPEhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1A straightforward strategy for the synthesis of dihydroquinazolines is presented, which allows for the preparation of 3,4- and 1,4-dihydroquinazolines with different substitution patterns from 2-aminobenzylamine (2-ABA) as common precursor. The required functionalization of both amino groups present in 2-ABA was achieved by different routes involving selective N-acylation and cesium carbonate mediated N-alkylation reactions, avoiding protection/deprotection steps. The heterocycles were efficiently synthesized in short reaction times by microwave-assisted ring closure of the corresponding aminoamides promoted by ethyl polyphosphate (PPE).Fil: Díaz, Jimena Estela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; ArgentinaFil: Ranieri, Silvia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Universita Degli Studi Di Bologna; ItaliaFil: Gruber, Nadia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; ArgentinaFil: Orelli, Liliana Raquel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; ArgentinaBeilstein-Institut2017-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/49091Díaz, Jimena Estela; Ranieri, Silvia; Gruber, Nadia; Orelli, Liliana Raquel; Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine; Beilstein-Institut; Beilstein Journal Of Organic Chemistry; 13; 6-2017; 1470-14771860-5397CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5550820/info:eu-repo/semantics/altIdentifier/doi/10.3762/bjoc.13.145info:eu-repo/semantics/altIdentifier/url/https://www.beilstein-journals.org/bjoc/articles/13/145info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:57:29Zoai:ri.conicet.gov.ar:11336/49091instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:57:29.356CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine |
| title |
Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine |
| spellingShingle |
Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine Díaz, Jimena Estela Dihydroquinazolines N-alkylations N-acylations Microwaves PPE |
| title_short |
Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine |
| title_full |
Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine |
| title_fullStr |
Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine |
| title_full_unstemmed |
Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine |
| title_sort |
Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine |
| dc.creator.none.fl_str_mv |
Díaz, Jimena Estela Ranieri, Silvia Gruber, Nadia Orelli, Liliana Raquel |
| author |
Díaz, Jimena Estela |
| author_facet |
Díaz, Jimena Estela Ranieri, Silvia Gruber, Nadia Orelli, Liliana Raquel |
| author_role |
author |
| author2 |
Ranieri, Silvia Gruber, Nadia Orelli, Liliana Raquel |
| author2_role |
author author author |
| dc.subject.none.fl_str_mv |
Dihydroquinazolines N-alkylations N-acylations Microwaves PPE |
| topic |
Dihydroquinazolines N-alkylations N-acylations Microwaves PPE |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
A straightforward strategy for the synthesis of dihydroquinazolines is presented, which allows for the preparation of 3,4- and 1,4-dihydroquinazolines with different substitution patterns from 2-aminobenzylamine (2-ABA) as common precursor. The required functionalization of both amino groups present in 2-ABA was achieved by different routes involving selective N-acylation and cesium carbonate mediated N-alkylation reactions, avoiding protection/deprotection steps. The heterocycles were efficiently synthesized in short reaction times by microwave-assisted ring closure of the corresponding aminoamides promoted by ethyl polyphosphate (PPE). Fil: Díaz, Jimena Estela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina Fil: Ranieri, Silvia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina. Universita Degli Studi Di Bologna; Italia Fil: Gruber, Nadia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina Fil: Orelli, Liliana Raquel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Orgánica; Argentina |
| description |
A straightforward strategy for the synthesis of dihydroquinazolines is presented, which allows for the preparation of 3,4- and 1,4-dihydroquinazolines with different substitution patterns from 2-aminobenzylamine (2-ABA) as common precursor. The required functionalization of both amino groups present in 2-ABA was achieved by different routes involving selective N-acylation and cesium carbonate mediated N-alkylation reactions, avoiding protection/deprotection steps. The heterocycles were efficiently synthesized in short reaction times by microwave-assisted ring closure of the corresponding aminoamides promoted by ethyl polyphosphate (PPE). |
| publishDate |
2017 |
| dc.date.none.fl_str_mv |
2017-06 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/49091 Díaz, Jimena Estela; Ranieri, Silvia; Gruber, Nadia; Orelli, Liliana Raquel; Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine; Beilstein-Institut; Beilstein Journal Of Organic Chemistry; 13; 6-2017; 1470-1477 1860-5397 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/49091 |
| identifier_str_mv |
Díaz, Jimena Estela; Ranieri, Silvia; Gruber, Nadia; Orelli, Liliana Raquel; Syntheses of 3,4- and 1,4-dihydroquinazolines from 2-aminobenzylamine; Beilstein-Institut; Beilstein Journal Of Organic Chemistry; 13; 6-2017; 1470-1477 1860-5397 CONICET Digital CONICET |
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eng |
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eng |
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openAccess |
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Beilstein-Institut |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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