3-Methylpent-2-en-4-in-1-ol

3-Methyl-2-penten-4-yn-1-ol Chemische Eigenschaften,Einsatz,Produktion Methoden

• Beschreibung

  3-Methyl-2-penten-4-yn-1-ol, also known as C6 alcohol or 3-methylpent-2-en-4-yn-1-ol, is a derivative of methyl vinyl ketone and acetylene. (Z)-3-Methyl-2-penten-4-yn-1-ol is a pharmaceutical intermediate for the production of vitamin A. Its stereoisomer, (Z)-3-methyl-2-penten-4-yn-1-ol, is also a useful intermediate for the manufacture of astaxanthin, zeaxanthin and further carotenoids.

• Chemische Eigenschaften

  3-Methyl-2-penten-4-yn-1-ol has cis and trans isomers. E type: oily liquid, boiling point 165-167℃, relative density 0.922, refractive index 1.4850, flash point 65℃; Z type: oily liquid, boiling point 89-92℃/4kPa, relative density 0.897, refractive index 1.4930, flash point 75 °C. Both isomers are easy to polymerize, and they will explode when heated to above 120°C in a sealed tube.

• Verwenden

  Used as intermediate of vitamin A acetate.

• Synthese

  3-Methyl-2-penten-4-yn-1-ol is synthesized by allyl rearrangement fo methyl vinyl ethynyl methanol at 80°C under moderate acid.

3-Methyl-2-penten-4-yn-1-ol Upstream-Materialien And Downstream Produkte

3-Methylpent-2-en-4-in-1-ol Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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