𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Simple Preparation of 7-Alkylamino-2-methylquinoline-5,8-diones: Regiochemistry in Nucleophilic Substitution Reactions of the 6- or 7-Bromo-2-methylquinoline-5,8-dione with Amines.

✍ Scribed by Han Young Choi; Dae Yoon Chi

Publisher
John Wiley and Sons
Year
2004
Weight
51 KB
Volume
35
Category
Article
ISSN
0931-7597

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Nucleophilic cleavage of spiroactivated
Nucleophilic cleavage of spiroactivated cyclopropanes.1. Kinetic and thermodynamic parameters for reaction of 6,6-dimethyl-2-phenyl-5,7-dioxaspiro[2,5]octane-4,8-dione (2) with pyridine.
✍ Michael A. McKinney; Kathleen G. Kremer; Thomas Aicher 📂 Article 📅 1984 🏛 Elsevier Science 🌐 French ⚖ 204 KB

Reaction of the title spiroactivated cyclopropane(2) with pyridine in acetonitrite yields a zwitterionic addition product. The reaction is reversible which provides conditions under which rates and equilibria constants can be obtained along with the derived activation and thermodynamic parameters o

Oxidation of 7,8-diaminotheophylline wit
Oxidation of 7,8-diaminotheophylline with lead tetraacetate and reaction of the oxidation product, 6-cyanoimino-5-diazo-1,3-dimethylpyrimidine-2,4-dione with alcohols or amines
✍ Taisei Ueda; Naoyoshi Yatsuzuka; Shin-Ichi Nagai; Kumiko Okada; Emi Takeichi; Hi 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 62 KB

## Abstract Oxidation of 7,8‐diaminotheophylline (1) with lead tetraacetate in refluxing toluene gave a mixture of 3‐amino‐5,7‐dimethylpyrimido[4,5‐__e__][1,2,4]triazine‐6,8‐dione (**2**) and 6‐cyanoimino‐5‐diazo‐1,3‐dimethylpyrimidine‐2,4‐dione (**4**). The latter was transformed to **2** by the r