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Sigma-Aldrich

4-Methyl-2H-1,4-benzoxazin-3(4H)-one

98%

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About This Item

Empirical Formula (Hill Notation):
C9H9NO2
CAS Number:
Molecular Weight:
163.17
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

mp

57-60 °C (lit.)

SMILES string

CN1C(=O)COc2ccccc12

InChI

1S/C9H9NO2/c1-10-7-4-2-3-5-8(7)12-6-9(10)11/h2-5H,6H2,1H3

InChI key

DBJMEBUKQVZWMD-UHFFFAOYSA-N

General description

4-Methyl-2H-1,4-benzoxazin-3(4H)-one is a heterocyclic building block. Its C-formylation in the presence of 1,1-dichloromethyl methyl ether under Friedel-Crafts reaction conditions has been reported.

Application

4-Methyl-2H-1,4-benzoxazin-3(4H)-one may be used in the preparation of N-methyl benzomorpholine.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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C-Formylation of some 2 (3H)-benzazolones and 2H-1, 4-benzoxazin-3 (4H)-one.
Petrov OI, et al.
Collection of Czechoslovak Chemical Communications, 62(3), 494-497 (1997)
J M Flaniken et al.
Organic letters, 1(5), 799-801 (2005-08-25)
[reaction: see text] Various five- and six-membered N-alkyl lactams were reduced to the corresponding cyclic amines using lithium N,N-dialkylaminoborohydrides (LAB). Most of the reductions were essentially complete after refluxing in THF for 2 h. The cyclic amine products were easily

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