Lewis base catalyzed regioselective cyclization of allene ketones or α-methyl allene ketones with unsaturated pyrazolones-Reference-Cited by-同舟云学术

Lewis base catalyzed regioselective cyclization of allene ketones or α-methyl allene ketones with unsaturated pyrazolones

Published:2019 Issue:12 Volume:17 Page:3232-3238
ISSN:1477-0520
Container-title:Organic & Biomolecular Chemistry
language:en
Short-container-title:Org. Biomol. Chem.

Author:

Cheng Cheng¹²³⁴⁵,Sun Xiaobin¹²³⁴⁵,Wu Zelin¹²³⁴⁵,Liu Qianwei¹²³⁴⁵,Xiong Liqiang¹²³⁴⁵,Miao Zhiwei¹²³⁴⁵^ORCID

Affiliation:

1. State Key Laboratory and Institute of Elemento-Organic Chemistry

2. College of Chemistry

3. Nankai University

4. Tianjin 300071

5. China

Abstract

Highly efficient nitrogen-containing Lewis base catalyzed regioselective [4 + 2] cycloaddition of allene ketones or α-methyl allene ketones with unsaturated pyrazolones.

Funder

Key Technologies Research and Development Program

Publisher

Royal Society of Chemistry (RSC)

Subject

Organic Chemistry,Physical and Theoretical Chemistry,Biochemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2019/OB/C9OB00179D

Reference56 articles.

1. Stereocontrolled Construction of Tetrahydropyrano[2,3-c]pyrazole Scaffold via an Organocatalyzed Formal [3 + 3] Annulation

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3. Eco-friendly synthesis and biological evaluation of substituted pyrano[2,3-c]pyrazoles

4. Access to Some Angular Aminochromeno[2,3-c]pyrazole Precursors by a Domino Knoevenagel-hetero-Diels-Alder Reaction

5. Microwave-assisted organocatalytic multicomponent Knoevenagel/hetero Diels–Alder reaction for the synthesis of 2,3-dihydropyran[2,3-c]pyrazoles

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