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[Chemical Knowledge]：What are the upstream raw materials for methyl tert-butyl acetophenone? What do the downstream products contain?

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Methyl tert-butyl acetophenone (MTBE) is a common chemical raw material, which is widely used in medicine, pesticide, spice, dye and other fields. In the chemical production chain, the upstream and downstream related products of methyl tert-butyl acetophenone mainly include the following aspects:

upstream products:

1. Acetophenone: Acetophenone is one of the main raw materials of methyl tert-butyl acetophenone. Methyl tert-butyl acetophenone is prepared by alkylation reaction with methanol and isobutylene.
2. Methanol: Methanol is another important raw material in the production of methyl tert-butyl acetophenone, which participates in the alkylation reaction together with acetophenone and isobutene.
3. Isobutene: Isobutene, as an olefin, is alkylated with acetophenone and methanol under the action of acidic catalyst to generate methyl tert-butyl acetophenone.

Downstream products:

1. Pesticides: Methyl tert-butyl acetophenone can be used as an intermediate for pesticides, used in the production of pesticides, fungicides and herbicides and other pesticide products.
2. pharmaceutical intermediates: methyl tert butyl acetophenone can be used to produce some pharmaceutical intermediates, further synthesis of antibacterial drugs, anti-inflammatory drugs and other drugs.
3. spices: methyl tert-butyl acetophenone has a special flavor and can be used to produce flavors, spices and other products to enhance the taste and aroma of food.
4. Dyes: Methyl tert-butyl acetophenone can be used as a dye intermediate for the production of some organic dyes, such as azo dyes.

In short, methyl tert-butyl acetophenone has a wide range of applications in the field of raw materials for chemical production, and its upstream and downstream related products involve pesticides, pharmaceuticals, spices and dyes.

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