Formaldehyde in multicomponent reactions

C Liu, W Huang, J Zhang, Z Rao, Y Gu, F Jérôme - Green Chemistry, 2021 - pubs.rsc.org
Acting as a C1 building block, formaldehyde is of great significance in organic synthesis. It is
also a key feedstock in several industries, such as resins, polymers, adhesives, and paints …

Molecular iodine-catalyzed multicomponent reactions: an efficient catalyst for organic synthesis

YM Ren, C Cai, RC Yang - RSC advances, 2013 - pubs.rsc.org
The multicomponent reactions (MCRs) consist of two or more synthetic steps which are
carried out without isolation of any intermediate thus reducing time, saving money, energy …

A simple, convenient one-pot synthesis of [1, 2, 4] triazolo/benzimidazolo quinazolinone derivatives by using molecular iodine

RG Puligoundla, S Karnakanti, R Bantu, K Nagaiah… - Tetrahedron …, 2013 - Elsevier
A wide variety of quinazolinone derivatives have been synthesized by condensation of 3-
amino-1, 2, 4-triazole and 2-aminobenzimidazole as amine sources, with aromatic …

Gold-catalyzed intermolecular cyclocarboamination of ynamides with 1, 3, 5-triazinanes: en route to tetrahydropyrimidines

Z Zeng, H Jin, X Song, Q Wang, M Rudolph… - Chemical …, 2017 - pubs.rsc.org
Gold-catalyzed regioselective cyclocarboamination of ynamides with 1, 3, 5-triazinanes
opens a facile and modular access to valuable 5-aminotetrahydropyrimidines in good to …

New possibilities of the Mannich reaction in the synthesis of N-, S,N-, and Se,N-heterocycles

VV Dotsenko, KA Frolov, EA Chigorina… - Russian chemical …, 2019 - Springer
The review summarizes the results obtained by our research group over the past 15 years in
chemistry of N-, S, N-, and Se, N-heterocycles resulted from aminomethlation of a wide …

2-Amino-4, 5-dihydrothiophene-3-carbonitriles: A New Synthesis, Quantum Chemical Studies, and Mannich-Type Reactions Leading to New Hexahydrothieno [2, 3-d] …

VV Dotsenko, AV Bespalov, AS Vashurin… - ACS …, 2021 - ACS Publications
trans-2-Amino-4-aryl-5-benzoyl-4, 5-dihydrothiophene-3-carbonitriles were prepared either
by the reaction of 3-aryl-2-cyanothioacrylamides with α-thiocyanatoacetophenone or by the …

Новые возможности реакции Манниха в синтезе N-, S,N- и Se,N-гетероциклов

ВВ Доценко, КА Фролов, ЕА Чигорина… - … Академии наук. Серия …, 2019 - elibrary.ru
В обзоре представлены результаты работы авторского коллектива за последние 15
лет в области химии N-, S, N-и Se, N-гетероциклических систем, получаемых …

Ultrasonic-assisted synthesis of tetrahydropyrimidine derivatives using functionalized core-shell nano-catalyst

AA Amiri, S Javanshir, Z Dolatkhah, SMJ Nabavi - sid.ir
Pyrimidines and their analogues hold a special place among pharmaceutically significant
natural products and synthetic compounds [1]. Tetrahydropyrimidine scaffold has displayed …

Gold-Catalyzed Formal Cycloadditions of Alkynes for Azaheterocycle Syntheses

Z Zeng - 2018 - archiv.ub.uni-heidelberg.de
In chapter 2, a novel and atom-economical synthesis of fully substituted 4-aminoimidazoles
via gold-catalyzed selective [3+ 2] annulation of 1, 2, 4-oxadiazoles with ynamides is …

A Simple Approach to the One-Pot Three Component Synthesis of 4Hpyrimido [2, 1-b] benzothiazole Derivatives Using Polyethylene Glycol (PEG-400)

P Rairala, B Yadagiri, R Bantu… - Letters in Organic …, 2015 - ingentaconnect.com
PEG-400 was found to be an inexpensive, non-toxic and eco-friendly reaction medium for
synthesis of pyramido [2, 1-b] benzothiazole derivatives. Utilizing this protocol, we are …