𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A New Synthesis of 2,3,1-Diazaborines

✍ Scribed by Beat W. Müller

Publisher
John Wiley and Sons
Year
1978
Tongue
German
Weight
137 KB
Volume
61
Category
Article
ISSN
0018-019X

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A new method for the preparation of 2,3,1‐diazaborines is described. It is suggested that the observed formation of the C,B‐bond by electrophilic attack with a boron halide is facilitated and o‐directed by the sulfonyl hydrazone group of the educts.

📜 SIMILAR VOLUMES

Boron-containing nucleosides. 1. Synthes
Boron-containing nucleosides. 1. Synthesis of the novel heterocycle 2-benzyl-1,4-dihydro-1-hydroxythieno[3,2-c][1,5,2]diazaborin-3(2H)-one: A thieno-fused 4-borauracil
✍ Steven M. Graham; Loralee M. Ohrtman 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 368 KB

## Abstract The synthesis of the novel boron‐containing nucleobase 2‐benzyl‐1,4‐dihydro‐1‐hydroxythieno[3,2‐__c__]‐[1,5,2]diazaborin‐3(2__H__)‐one (8), a thieno‐fused 4‐borauracil, is described. Compound 8 was prepared in three steps starting from 2‐thiophenecarbonyl chloride (4). A multinuclear an

A new synthesis of 1,2,3,5-tetrahydroimi
A new synthesis of 1,2,3,5-tetrahydroimidazo[2,3-b]-[1,3]benzodiazocines
✍ Hyun In Cho; Seung Won Lee; Kee-Jung Lee 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 155 KB

## Abstract A new synthesis of 6‐carbomethoxy‐1,2,3,5‐tetrahydroirnidazo[2,3‐__b__][1,3]benzodiazocines **13** by the intramolecular cycloaddition reaction of methyl 2‐(1‐aziridinylmethyl)‐3‐(2‐ureidophenyl)propenoates **10** under Appel's dehydration conditions is described. The latter were readil

Synthesis of new 1,2,3-triazolo[1,5-a]qu
Synthesis of new 1,2,3-triazolo[1,5-a]quinazolinones
✍ Nazariy T. Pokhodylo; Vasyl S. Matiychuk 📂 Article 📅 2010 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 117 KB

## Abstract magnified image Synthesis of novel 3‐substituted‐1,2,3‐triazolo[1,5‐a]quinazolinones in high yields was performed __via__ anionic hetero‐domino reaction of appropriate substituted 2‐azidobenzoates prepared from isatines and acetonitriles activated by 1,3‐thiazole, 1,3‐benzothiazole, 1,3