- Efficient preparation method of plant production accelerant sodium alpha-naphthyl acetate
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The invention relates to the field of preparation of agricultural auxiliaries, in particular to an efficient preparation method of a plant production accelerant sodium alpha-naphthyl acetate. According to the efficient preparation method of the plant production accelerant sodium alpha-naphthyl acetate, a loaded metal coordination compound catalyst is adopted to catalyze a carbonyl synthesis reaction of 1-chloromethylnaphthalene and carbon monoxide gas to prepare the sodium alpha-naphthyl acetate, wherein the reaction conditions are simple, the synthesis route is short, the yield is high, the cost is low, and the produced sodium alpha-naphthyl acetate product has very strong market competitiveness.
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Paragraph 0031-0086
(2021/07/01)
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- Carboxylated naphthalene formaldehyde condensation polymers as dental plaque barriers
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Polymers useful in compositions and methods for preventing the attachment of dental plaque to the surface of the teeth of mammals comprise alkali metal salts of certain carboxylated naphthalene formaldehyde polymers in a pharmaceutically acceptable vehicle and the periodic application thereof to teeth.
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