cas 5337-93-9

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2-Bromo-4'-methylpropiophenone synthesis (CAS 1451-82-7) from 4'-methylpropiophenone with HBr/H2O2 https://bbgate.com/threads/bromination-of-4-methylpropiophenone-with-hbr-h2o2-large-scale.215/

4'-methylpropiophenone iodination with iodine/cooper (II) oxide https://bbgate.com/threads/iodination-of-4-methylpropiophenone-with-iodine-cooper-ii-oxide-large-scale.218/

We'll consider mephedrone (4MMC) synthesis in this article. Dichloromethane (DCM) is used as a solvent. It has a low boiling point (~40 °C) and synthesis procedures take a little time. Work conditions: Air temperature 20-24 ºC; Relative humidity <60%; Well-ventilated room (with air...

Reaction scheme: Reagents: 4'-Methylpropiophenone (cas 5337-93-9) 5 kg; Сooper(II) oxide (CuO) 2.7 kg; Isopropyl alcohol (IPA) 50 l; Iodine 6.5 kg; Equipment and glassware: 100 L Batch reactor, which is equipped with drip funnel, top stirrer, thermometer, temperature control system...

Reaction scheme: Reagents: 4′-Methylpropiophenone (cas 5337-93-9) 1000 g; Hydrobromic acid 48% aq. 1300 g; Hydrogen peroxide (H2O2) 35% 750 g; Sodium bicarbonate (NaHCO3); Distilled water; Equipment and glassware: Three necked round bottom flask 5 L; Retort stand and clamp for securing...

Reaction scheme: Reagents: 4-methylpropiophenone (cas 5337-93-9) - 1000 g; Dichloromethane (DCM) or glacial acetic acid (GAA) - 3000 ml; Bromine (Br2) - 1080g, 348 ml; Sodium bicarbonae (NaHCO3) solution; Distilled water; Magnesium sulphate (MgSO4); Equipment and glassware: Three necked...