Results 71 to 80 of about 868 (168)

[3 + 2] cycloaddition of nonstabilized azomethine ylides and 2-benzothiazolamines to access imidazolidine derivatives. [PDF]

RSC Adv, 2022
Wang KK, Li YL, Wang MY, Jing J, Wang ZY, Chen R.   +5 more
europepmc   +1 more source

Straightforward Synthesis of Thiophene Bioisosteres of the Pyrrolo[3,2-c]quinoline Framework from Martinelline Alkaloids

Molbank
We report the first green and diastereoselective synthesis of novel thiophene bioisosteres designed to mimic the privileged pyrrolo[3,2-c]quinoline core of martinelline alkaloids.
Tamer S. Saleh, Abdullah S. Al-Bogami
doaj   +1 more source

Synthesis of bioactive fluoropyrrolidines via copper(i)-catalysed asymmetric 1,3-dipolar cycloaddition of azomethine ylides. [PDF]

Chem Sci, 2022
Xu X, Bao L, Ran L, Yang Z, Yan D, Wang CJ, Teng H.   +6 more
europepmc   +1 more source

Glycine-Based [3+2] Cycloaddition for the Synthesis of Pyrrolidine-Containing Polycyclic Compounds

Molecules
The synthesis of pyrrolidine compounds with biological interest is an active research topic. Glycine could be a versatile starting material for making pyrrolidine derivatives.
Tieli Zhou, Xiaofeng Zhang, Desheng Zhan, Wei Zhang   +3 more
doaj   +1 more source

A Regioselective Multicomponent Approach for the Synthesis of Novel 2-Acetyl-4-phenylquinoline Designed Monospiro-Pyrrolidine and Thiapyrrolizidine Hybrids

Heteroatom Chemistry
A convenient approach for the synthesis of 2-acetyl-4-phenylquinoline designed monospiro-pyrrolidine/thiapyrrolizidine hybrids has been achieved via a 1,3-dipolar cycloaddition reaction of various azomethine ylides derived from isatin/acenaphthylene-1,2 ...
Satheeshkumar Rajendran, Arul Murugesan, Shankar Ramasamy   +2 more
doaj   +1 more source

Decarboxylation-Driven Double Annulations: Innovative Multi-Component Reaction Pathways

Molecules
A concerted five-component reaction strategy has been developed, featuring double [3+2] cycloadditions utilizing aspartic acid. This approach provides valuable insights into mechanistic pathways, allowing for the distinction between concerted and ...
Desheng Zhan, Gang Yang, Tieli Zhou, Sashirekha Nallapati, Xiaofeng Zhang   +4 more
doaj   +1 more source

Catalyst-Free [3+2] Cycloaddition of Electron-Deficient Alkynes and o-Hydroxyaryl Azomethine Ylides in Water. [PDF]

ACS Omega, 2020
Zhu J, Su W, Xiong C, Bai R, Zhou Q, Chen M.   +5 more
europepmc   +1 more source

Utilizing MEDT analysis of [3 + 2] cycloaddition reaction: x-ray crystallography of spirooxindole linked with thiophene/furan heterocycles and triazole framework

BMC Chemistry
Hybridization of spirooxindole with different pharmacophores such as triazole and heterocycle such as thiophene and furan moiety was achieved by the [3 + 2] cycloaddition (32CA) reaction approach. Structural investigations of the compounds 4a and 4b were
Abdulmajeed Abdullah Alayyaf, M. Ali, Moayad Abdullah Alwehaibi, Muhanna K. Al-Muhanna, Saied M. Soliman, Mar Ríos-Gutiérrez, Matti Haukka, Assem Barakat   +7 more
doaj   +1 more source

Dearomative [3 + 2] cycloaddition reaction of nitrobenzothiophenes with nonstabilized azomethine ylides. [PDF]

RSC Adv, 2020
Wang KK, Xie YX, Li YL, Chen R, Wang ZY.
europepmc   +1 more source

[3+3] Cycloaddition of Azomethine Ylides with Azomethine Imines [PDF]

Synfacts, 2014
openaire   +1 more source