Roghnaigh Leathanach

NUACHT

Imoibriú díothaithe agus imoibriú isiméirithe DBU

Imoibriú díothaithe agus imoibriú isiméirithe DBU

Eliminate the reaction DBU has been used in a variety of elimination reactions to enable reagent molecules to introduce unsaturated bonds, Mar idirmheánacha agus amhábhair le haghaidh sintéis orgánach, and just a few examples are enough to see the application of DBU in...

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Acrylamide diacetone a chur i bhfeidhm

Acrylamide diacetone a chur i bhfeidhm

1. Application in hair treatment agent The important characteristic of diamine is that its homopolymer or copolymer is insoluble in water, but it has "water respiration", the water absorption rate reaches 20% chun 30% of its own weight, and when the ambient...

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Príomhúsáidí feanolphthalein

Príomhúsáidí feanolphthalein

1. Used as an acid-base indicator and an indicator for determining the acid value of oil Phenolphthalein has a very interesting color-changing reaction. Faoi choinníollacha aigéid neodracha (PH0-8.2), Ní dhéanann móilíní feanóilphthalein a dhíscaoileadh agus níl siad gan dath. In the...

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Sintéis orthoacetate trimethyl

Sintéis orthoacetate trimethyl

Orta-aicéatáit trimethyl, also known as trimethoxyethane, is an important primary acid ester, the molecular formula (C5H12O3) is mainly used in medicine, lotnaidicídí, spices and other synthesis. The usual synthesis methods are acetonitrile process, which uses...

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Próiseas sintéise clóiríd dichloroacetylyl

Próiseas sintéise clóiríd dichloroacetylyl

Dichloroacetyl chloride is an important intermediate in the production of insecticides and herbicides, agus úsáidtear go forleathan é freisin i réimse na gcúntóirí agus na sintéise cógaisíochta. The main synthesis methods are dichloroacetate acyl chloride method and...

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