Merck
CN
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文件

383503

Sigma-Aldrich

2H-1,4-苯并噁嗪-3(4H)-酮

99%

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经验公式（希尔记法）:
C8H7NO2
CAS号:
5466-88-6
分子量:
149.15
MDL编号:
MFCD00158536
PubChem化学物质编号:
24863974
NACRES:
NA.22

质量水平

100

检测方案

99%

mp

173-175 °C (lit.)

溶解性

methanol: soluble 25 mg/mL, clear, colorless

SMILES string

O=C1COc2ccccc2N1

InChI

1S/C8H7NO2/c10-8-5-11-7-4-2-1-3-6(7)9-8/h1-4H,5H2,(H,9,10)

InChI key

QRCGFTXRXYMJOS-UHFFFAOYSA-N

相关类别

一般描述

2H-1,4-Benzoxazin-3(4H)-one, a benzoxazine derivative, is a heterocyclic building block for various natural and synthetic organic compounds. It has been reported as an intermediate during the biogenesis of cyclic hydoxamic acids in maize. Its standard molar enthalpy of formation and tautomerization energy of its tautomers has been evaluated by calorimetric and computational methods. It has been synthesized by reacting o-aminophenol with chloroacetyl chloride in the presence of butanone and aqueous NaHCO3.

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险声明

H315 - H319 - H335

危险分类

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

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Jiu Hong Wu et al.
Bioorganic & medicinal chemistry letters, 13(13), 2223-2225 (2003-06-12)
A new inhibitor of in vitro tumor cell replication, cappamensin A (1) (2H-1,4-benzoxazin-3(4H)-one, 6-methoxy-2-methyl-4-carbaldehyde), was isolated from the roots of Capparis sikkimensis subsp. formosana using bioactivity-guided fractionation. The structure of 1 was established by spectroscopic methods, including 2D NMR analyses.
Calorimetric and computational study of 2H-1,4-benzoxazin-3(4H)-one and of related species.
Matos MAR, et al.
Molecular Physics, 104(12), 1833-1841 (2006)
Moreshwar B Chaudhari et al.
The Journal of organic chemistry, 85(5), 3374-3382 (2020-01-31)
We report here the Sn-catalyzed mild protocol for ring expansion of peroxyoxindoles to afford the series of substituted-2H-benzo[b][1,4]oxazin-3(4H)-one derivatives. In this protocol, we showed the in situ conversion of tert-butyl peroxy compounds into peresters with the aid of external esters
2H-1,4-benzoxazin-3(4H)-one, an intermediate in the biosynthesis of cyclic hydroxamic acids in maize.
Kumar P, et al.
Phytochemistry, 36(4), 893-898 (1994)
A general and convenient synthesis of 2H-1,4-benzoxazin-3(4H)-ones.
Shridhar DR, et al.
Organic Prep. and Proc. Int., 14(3), 195-197 (1982)
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