𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Chemistry of Modified Flavonoids. 24. Synthesis of 4- Aryloxy-3-(2-hydroxy-4-hydroxy/alkoxyphenyl)pyrazoles

✍ Scribed by V.V. Arkhipov; M.M. Garazd; M.N. Smirnov; V.P. Khilya


Book ID
111577776
Publisher
Springer US
Year
2004
Tongue
English
Weight
177 KB
Volume
40
Category
Article
ISSN
0009-3122

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Hantzsch reaction of 3-(2-bromoacetyl)-4
✍ S. Sukdolak; S. Solujić; N. Manojlović; N. Vuković; L. J. Krstić 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 143 KB

## Abstract 3‐Acetyl‐4‐hydroxy‐chromen‐2‐one (**1**) was brominated with phenyltrimethylammonium tribromide to afford 3‐(2‐bromoacetyl)‐4‐hydroxy‐chromen‐2‐one (**2**) whose reactions with thiourea, thioacetamide and ammonium dithiocarbamate gave respectively 3‐(2‐amino‐thiazol‐4‐yl)‐4‐hydroxy‐, 4‐

Synthesis of 3-hydroxy-4-imidazolidinone
✍ Robert E. Harmon; Victor L. Rizzo; S. K. Gupta 📂 Article 📅 1970 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 237 KB
Sulfenylation of heterocyclic 1,3-dicarb
✍ Barbara Schnell; Thomas Kappe 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 568 KB

## Abstract Anions of enolized heteroaromatic 1,3‐dicarbonyl systems, such as the title compounds **1, 9,14**, and **19**, react in dimethylformamide in the presence of potassium carbonate with diaryl disulfides **2** to yield arylsulfenyl derivatives (**3, 10, 15, 20**). The arylthiolate anions **