Transition-metal-free [3 + 2] cycloaddition of C,N-cycloazomethylimines with in situ formed isocyanates from dioxazolones: a facile synthesis of triazolinones-Reference-Cited by-同舟云学术

Transition-metal-free [3 + 2] cycloaddition of C,N-cycloazomethylimines with in situ formed isocyanates from dioxazolones: a facile synthesis of triazolinones

Published:2024 Issue:6 Volume:26 Page:3522-3526
ISSN:1463-9262
Container-title:Green Chemistry
language:en
Short-container-title:Green Chem.

Author:

Chen Lei¹,Yang Peiyao¹,Wang Qiuying¹,Zhao Zhongxiang¹^ORCID,Cui Hui¹,Zhu Liping¹^ORCID

Affiliation:

1. School of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China

Abstract

A novel strategy for synthesizing triazolinone with C,N-cycloazomethylimine and dioxazolone has been developed, in which the isocyanate formed in situ from dioxazolone is employed for cyclization instead of the widely used N-acyl nitrene.

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/GC/D3GC04556K

Reference48 articles.

1. Manipulation of N,O-Nucleophilicity: Efficient Formation of 4-N-Substituted 2,4-Dihydro-3H-1,2,4-Triazolin-3-ones

2. Selective fluorination of an aryl triazolinone herbicide intermediate

3. CTAB modified Fe-WO3 as an electrochemical detector of amitrole by catalytic oxidation

4. A Simple Transformation of 1‐(Isoxazol‐3‐yl)ureas to 5‐(2‐oxoalkyl)‐2,4‐dihydro‐3H‐1,2,4‐triazol‐3‐ones through Base‐Promoted Boulton‐Katritzky Rearrangement

5. Efficient Synthesis of NK1 Receptor Antagonist Aprepitant Using a Crystallization-Induced Diastereoselective Transformation

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