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A facile one-pot synthesis of novel substituted 1,2,3,4-tetrahydropyrimidines

✍ Scribed by Enamul Karim; Kaushal Kishore; Jai N. Vishwakarma

Publisher
Journal of Heterocyclic Chemistry
Year
2003
Tongue
English
Weight
28 KB
Volume
40
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

A facile one‐pot synthesis of 5‐benzoyl‐6‐methylthio‐1,2,3,4‐tetrahydropyrimidines in good yields is reported.

📜 SIMILAR VOLUMES

A facile one-pot synthesis of novel subs
A facile one-pot synthesis of novel substituted 1,2,3,4-tetrahydropyrimidine, part 2: Synthesis of 1-(aralkyl/aryl)-3-(alkyl/aralkyl/aryl)-5-aroyl-1,2,3,4-tetrahydropyrimidines
✍ Kaushik Chanda; Milan Ch. Dutta; Enamul Karim; Jai N. Vishwakarma 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 106 KB

## Abstract 1‐(Aralkyl/aryl)‐3‐(alkyyaralkyl)‐5‐aroyl‐1,2,3,4‐tetrahydropyrimidines (**2a‐c**) have been synthesized by dethiomethylation of 5‐aroyl‐6‐methylthio‐1,2,3,4‐tetrahydropyrimidines (**1a‐c**). An alternative one‐pot synthetic strategy has been developed for the title compounds **2a‐t** b

A Facile One-Pot Synthesis of Novel Subs
A Facile One-Pot Synthesis of Novel Substituted 1,2,3,4-Tetrahydropyrimidines. Part 5. Synthesis of Bis[(1-alkyl/aralkyl) -5-benzoyl-6-methylthio-1,2,3,4-tetrahydropyrimidinyl]alkane and Benzene, Bis[3-phenyl-7-methyl-4,5,6,7-tetrahydropyrazolo [3,4-d]pyrimidinyl]alkane and Bis[1-benzyl-7-phenyl-1,2,3,4-tetrahydropyrazolo[1,5-a]triazinyl]alkane and Benzene.
✍ Milan Ch. Dutta; Kaushik Chanda; Philippe Helissey; Jai N. Vishwakarma 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 25 KB 👁 1 views
A facile one-pot synthesis of novel subs
A facile one-pot synthesis of novel substituted 1,2,3,4-tetrahydropyrimidines Part 5 : Synthesis of bis[(l-alkyl/aralkyl)-5-benzoyl-6-methylthio-1,2,3,4-tetrahydropyrimidinyl]alkane and benzene, bis[3-phenyl-7-methyl-4,5,6,7-tetrahydropyrazolo[3,4-d]-pyrimidinyl]alkane and bis[1-benzyl-7-phenyl-1,2,3,4-tetrahydro-pyrazolo[1,5-a]triazinyl]alkane and benzene
✍ Milan Ch. Dutta; Kaushik Chanda; Jai N. Vishwakarma; Philippe Helissey 📂 Article 📅 2005 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 70 KB

## Abstract Bis‐1,2,3,4‐tetrahydropyrimidinylalkanes/benzenes **2a‐f** have been synthesized by the reaction of N,S‐acetals with formaldehyde and diamines. Reaction of pyrazoles **3a** and **3b** with diamines and formaldehyde yield bis‐4,5,6,7‐tetrahydropyrazolo[3,4‐__d__]pyrimidinylalkanes **4a‐b

Copper-Catalyzed One-Pot Synthesis of 2-
Copper-Catalyzed One-Pot Synthesis of 2-Alkylidene-1,2,3,4- tetrahydropyrimidines
✍ Wei Lu; Wangze Song; Deng Hong; Ping Lu; Yanguang Wang 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 227 KB 👁 2 views

## Abstract A one‐pot synthesis of __N__‐sulfonyl‐2‐alkylidene‐1,2,3,4‐tetrahydropyrimidines __via__ a highly selective and copper‐catalyzed multicomponent reaction of sulfonyl azides, terminal alkynes and α,β‐unsaturated imines has been developed. The α,β‐unsaturated imine substrates could be gene