Compound Q&A
How is 7-Methyl-2H-benzo[e][1,3]oxazine-2,4(3H)-dione (CAS: 24088-77-5) typically synthesized?
Answer
![7-Methyl-2H-benzo[e][1,3]oxazine-2,4(3H)-dione](https://static.chemtradehub.com/structs/240/24088-77-5-b3b5.webp "7-Methyl-2H-benzo[e][1,3]oxazine-2,4(3H)-dione")
7-Methyl-2H-benzo[e][1,3]oxazine-2,4(3H)-dione is typically synthesized via the condensation of 2-hydroxy-3-methylbenzaldehyde with acetic anhydride in the presence of a suitable catalyst like p-toluenesulfonic acid. The reaction is carried out under mild conditions, and the product is purified by recrystallization to obtain the desired crystalline form.
About
CAS No
24088-77-5
English Name
7-Methyl-2H-benzo[e][1,3]oxazine-2,4(3H)-dione
Molecular Formula
C9H7NO3
Molecular Weight
177.16 g/mol
SMILES
CC1=CC2=C(C=C1)C(=O)NC(=O)O2
InChIKey
HQUVXRFXGBZDNB-UHFFFAOYSA-N
Last Updated: 2026-03-11 07:58
![7-Methyl-2H-benzo[e][1,3]oxazine-2,4(3H)-dione — Hubei Yangxin Pharmaceutical Technology Co., Ltd.](https://static.chemtradehub.com/suppliers/67cded3957537e5c8069af88/67cded3957537e5c8069af88-logo.webp){kind=logo}
![7-Methyl-2H-benzo[e][1,3]oxazine-2,4(3H)-dione — ShenZhenAiTaHuaXue Co Ltd](https://static.chemtradehub.com/suppliers/67ced0fb2b2de6e8e95a67fa/67ced0fb2b2de6e8e95a67fa-logo.webp){kind=logo}
![7-Methyl-2H-benzo[e][1,3]oxazine-2,4(3H)-dione — JiangSuAiKangShengWuYiYaoYanFa Co Ltd](https://static.chemtradehub.com/suppliers/67cec9452b2de6e8e95a52fa/67cec9452b2de6e8e95a52fa-logo.webp){kind=logo}