𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis of substituted octahydrochromeno[3,2-i]quinazoline-2(1H)-thiones

✍ Scribed by S. I. Filimonov; S. A. Filimonova; A. S. Shashkov; S. I. Firgang; G. A. Stashina

Publisher
Springer
Year
2005
Tongue
English
Weight
329 KB
Volume
54
Category
Article
ISSN
1573-9171

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

Solid-phase synthesis of 3,4-dihydro-2(1
Solid-phase synthesis of 3,4-dihydro-2(1H)-quinazolinones and 3,4-dihydro-1H-quinazolin-2-thiones
✍ Qun Sun; Xiaoming Zhou; Donald J Kyle πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 French βš– 113 KB

The solid-phase synthesis of 3,4-dihydro-2(1H)-quinazolinones and 3,4-dihydro-1H-quinazolin-2-thiones is described. Starting from Rink resin, acylation with 4-bromomethyl-3-nitrobenzoic acid and amination with primary amines, reduction with tin chloride and cyclization, the desired 3,4-dihydro-2(1H)

A facile synthesis of substituted 3-amin
A facile synthesis of substituted 3-amino-1H-quinazoline-2,4-diones
✍ Tuan P. Tran; Edmund L. Ellsworth; Brian M. Watson; Joseph P. Sanchez; H. D. Hol πŸ“‚ Article πŸ“… 2005 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 124 KB πŸ‘ 1 views

A new synthesis of a series of 3-amino-1H-quinazoline-2,4-diones is described. The 1H-quinazoline-2,4dione 10 was made starting with fluorobenzoic acid in three high yielding steps. The key step of this synthesis involved the generation of the dianion of urea 7 and the subsequent intramolecular nucl