Ceium carbonate 534-17-8 farashin yi

Ceium carbonate 534-17-8 farashin yi

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Bayani

Sunan samfur: Cesium carbonate

Saukewa: 534-17-8

Saukewa: CC2O3

MW: 325.82

Saukewa: 208-591-9

Yawan girma: 4.072

Form: Foda/Granules

Launi: Fari

Musamman nauyi: 4.072

Mai hankali: Hygroscopic

Ranar: 14,2010

Saukewa: 4546405

Aikace-aikace

1. Yawancin kadarorinceium carbonatea cikin kwayoyin halitta sun fito ne daga laushin Lewis acidity na cesium ion, wanda ya sa ya zama mai narkewa a cikin kwayoyin halitta irin su barasa, DMF da ether.

2. The mai kyau solubility a Organic kaushi sa cesium carbonate a matsayin m inorganic tushe don shiga cikin sinadaran halayen catalyzed da palladium reagents kamar Heck, Suzuki da Sonogashira halayen.Alal misali, halayen haɗin gwiwar Suzuki na iya samun yawan amfanin ƙasa na 86% tare da goyon bayan cesium carbonate, yayin da yawan amfanin da aka samu tare da sa hannun sodium carbonate ko triethylamine shine kawai 29% da 50%.Hakazalika, a cikin halayen Heck na methacrylate da chlorobenzene, cesium carbonate yana da fa'ida a bayyane akan sauran tushen inorganic, kamar potassium carbonate, sodium acetate, triethylamine, da potassium phosphate.

3. Cesium carbonateHar ila yau yana da aikace-aikacen da ke da mahimmanci don gane yanayin O-alkylation na mahadi phenol.

4. Gwaje-gwajen sun yi la'akari da cewa phenol O-alkylation dauki a cikin abubuwan da ba na ruwa ba da ke haifar da cesium carbonate mai yiwuwa sun sami phenoloxy anions, don haka halayen alkylation na iya faruwa ga halogens na biyu masu aiki masu girma waɗanda ke da wuyar kawar da halayen..

5. Cesium carbonateHakanan yana da amfani mai mahimmanci wajen haɗa samfuran halitta.Alal misali, a cikin kira na Lipogrammistin-A fili a cikin maɓalli na mataki na rufewar zobe, yin amfani da cesium carbonate a matsayin tushen inorganic zai iya samun samfurori na rufaffiyar zobe tare da yawan amfanin ƙasa.

6. Bugu da ƙari, saboda mai kyau solubility na ceium carbonate a cikin kwayoyin kaushi, shi ma yana da muhimmanci amfani a cikin m-goyon bayan kwayoyin halayen.Misali, nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan iri uku na aniline da ingantaccen halide masu goyan bayan an jawo su a cikin yanayin carbon dioxide don haɗa sinadarin carboxylate ko carbamate tare da yawan amfanin ƙasa.

7. A karkashin microwave radiation, cesium carbonate kuma za a iya amfani da a matsayin tushe don gane esterification dauki na benzoic acid da m-goyon halogens.

Adana

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BayaniSunan samfur: Cesium carbonate
Saukewa: 534-17-8
Saukewa: CC2O3
MW: 325.82
Saukewa: 208-591-9
Yawan girma: 4.072
Form: Foda/Granules
Launi: Fari
Musamman nauyi: 4.072
Mai hankali: Hygroscopic
Ranar: 14,2010
Saukewa: 4546405