2-Bromo-3′,4′-(methylenedioxy)propiophenone CAS 52190-28-0

CAS 52190-28-0/2-Bromo-3′,4′-(methylenedioxy)propiophenone

CAS 52190-28-0

Chemical Name: 2-Bromo-3′,4′-(methylenedioxy)propiophenone

Molecular Weight: 257.08066

Molecular Formula:C10HgBrO3

Solubility: Chloroform: Soluble: DMsO: 1 mg/mL*; Ethanol: 1 mg/ml

Physical Properties: Pale Yellow Solid

Density: 1.584+0.06 g/cm3(Predicted)

Uses

1-benzo[dl[1,3jdioxol5-y!)-2-bromopropan–one (2-Bromo-3,4-(methylenedioxy)propiophenone) can be used in the preparation of amtifngal agents and DMA analogs.

Application

2-Bromo-3,4-(metiylenedoxy)propiophenone,also known as4*(methvlenedioxy)propiophenone, is an analbtical reference standard categorized as a precursor in the synthesis ofcathinones. This product is intended for research and forensic applications.

Synthesis

Bromine l10,o mmol was aded to asoution ofthe ketone 100 mmol in Et20 (25 ml, The solton was stred for 30 min (utlthe coor ofthe solton changed from red to lightyelow,. Then the reaction was ouenched with water (10 mL),and the mixture was diluted with Et20 (2s ml),.The organic laver was washed with a saturated soltion of aoueousNaHC03(3o ml),a saturated solunon of aoueous Na2s203 (30 ml, and brine(30 ml,.and then it was ried over Mes04 filtered. and concentrated. Thec-bromoketone was purifed bfash chromatographv on slia gel, 2-Bromo9’4-(methvenedioxwipropiophenone 52190-28-0l. This compound was prepared according to the General procedure from 3.4methvlenedioxwvpropiophenone(1.78 .10. mmol, Theproduct was obtained as a white soid elted nith 50% cHcl2 inhexanes: 2.13 g. 82%veldl 1H NMR(DC?. 500 MH2 6 7.62(d, J= 8.0 Hz, 1H), 7.49 (s, 1H), 6.87 (d, J= 8.0 Hz, 1H), 6.07 (s, 2H), 5.21 (q, J= 7.0 Hz, 1H), 1.88 (d, J= 7.0 H2, 3H).

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