4-mmc precursor

  1. A

    China will not produce 2b4m anymore

    good morning dear brothers one of my favorite sellers told me that they can’t produce 2b4m anymore because it will be illegal to produce in Future does anyone know more about that and can give some more information?
  2. Tyram

    new legal bk-4

    Greetings, dear participants of the forum. Due to the ban on the bk-4 precursor for the synthesis of 4-mmc, legal substitutes such as 2-(1-bromoethyl)-4-methyl-2-(4-methylphenyl)-1,3-dioxolane have emerged. I don't know the CAS number. Does anyone know about this reagent and those who produce...
  3. Synthesis of 4'-methylpropiophenone. Friedel-Crafts reaction.

    Synthesis of 4'-methylpropiophenone. Friedel-Crafts reaction.

    Source: ChamPlayer channel Thanks @CARLITOBRO for sharing
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