𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Rearrangement of N-cyano-anthranilic acids to 1,2-dihydro-2-imino-3,1,4H-benzoxazin-4-ones and 2,4(IH,3H)-quinazoline-diones. Reactions of 1,2-dihydro-2-imino-3,1,4H-benzoxazin-4-one with hydroxylic reagents.

✍ Scribed by Károly Lempert; Gábor Doleschall

Publisher
Elsevier Science
Year
1963
Tongue
French
Weight
146 KB
Volume
4
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Synthesis of Novel 3-Acyloxy-1,3-dihydro
Synthesis of Novel 3-Acyloxy-1,3-dihydro-2H-indol-2-ones and Isomeric 4-Acyl-1,4-dihydro-3,1-benzoxazin-2-ones: Double Rearrangement of 3-Hydroxyquinoline-2,4(1H,3H)-diones
✍ Antonı́n Klásek; Kamil Kořistek; Jiřı́ Polis; Janez Košmrlj 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 172 KB

Substituted 3-hydroxyquinoline-2,4(1H,3H )-diones 3 were transformed into 3-acyloxy-1,3-dihydro-2H-indol-2-ones 4 and isomeric 4-acyl-1,4-dihydro-3,1-benzoxazin-2-ones 5. The influence of the substituents and the reaction conditions on the course of the reaction was studied. In the proposed mechanis

Ring Opening of 2-(Benzylamino)-2H-1,4-b
Ring Opening of 2-(Benzylamino)-2H-1,4-benzoxazin-3(4H)-ones and 2-Bromo-2H-1,4-benzoxazin-3(4H)-ones
✍ Janez Ilaš; Danijel Kikelj 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 German ⚖ 223 KB 👁 1 views

## Abstract Substituted 2‐(benzylamino)‐2__H__‐1,4‐benzoxazin‐3(4__H__)‐ones are unstable under alkaline and acidic conditions, undergoing opening of the benzoxazinone ring. 2‐Bromo‐2__H__‐1,4‐benzoxazin‐3(4__H__)‐ones show similar degradation under alkaline conditions, while replacement of Br at C