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Home > Encyclopedia > 3-Bromomethylbenzisoxazole

3-Bromomethylbenzisoxazole

3-Bromomethylbenzisoxazole structure

3-Bromomethylbenzisoxazole 

structure
  • CAS No:

    37924-85-9

  • Formula:

    C8H6BrNO

  • Chemical Name:

    3-Bromomethylbenzisoxazole

  • Synonyms:

    1,2-Benzisoxazole,3-(bromomethyl)-;3-(Bromomethyl)-1,2-benzisoxazole;3-Bromomethylbenzisoxazole;3-Bromomethylbenzo[d]isoxazole

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Description

Colourless Crystalline Solid

3-Bromomethylbenzisoxazole Basic Attributes

212.04

212.04

DTXSID40393069

2934999090

Characteristics

26

2.3

colourless crystalline solid

1.6±0.1 g/cm3

69 °C @ Solvent: Ethanol

302.5°C at 760 mmHg

136.8±20.9 °C

1.651

Safety Information

22-36

26

Xn

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

H315

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

3-Bromomethylbenzisoxazole Use and Manufacturing

Benzo[d]isoxazol-3-yl-bromo-acetic acid [(J. Med. Chem. 5428 (2003), Chem. Pharm. Bull, 3498 (1978)] was slowly heated under argon with stirring to 130° C. and held there for 30 minutes. Copious gas evolution was observed during this time. The reaction was cooled to room temperature and the resulting brown crystals were filtered off and purified via column chromatography (hexanes), (2.3 g, 70percent yield). 3-Bromomethyl-benzo[d]isoxazole The pale yellow solid product 3-2 (6 g, 0.024 mol) obtained in the previous step was added to the reaction flask, and toluene(60 ml). The mixture was heated to reflux for 12 hours, and the reaction was complete by TLC.The reaction mixture was concentrated to dryness to give 3-bromomethyl-1, 2-benzisoxazole as a pale red solid (compound 3-3, compound of formula II (4.5g), which was used without purification The next step.

Computed Properties

Molecular Weight:212.04
XLogP3:2.3
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:210.96328
Monoisotopic Mass:210.96328
Topological Polar Surface Area:26
Heavy Atom Count:11
Complexity:142
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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