3 6-Dihydro-2H-pyran-4-boronic acid pinacol ester (CAS# 287944-16-5)
| Matšoao a Kotsi | Xn - E Kotsi |
| Likhoutu tsa Kotsi | 22 - E kotsi haeba e koetsoe |
| Tlhaloso ea Tšireletseho | S20 - Ha u sebelisa, u se ke ua ja kapa ua noa. S35 - Thepa ena le setshelo sa eona li tlameha ho lahloa ka tsela e sireletsehileng. |
| WGK Jeremane | 3 |
| Khoutu ea HS | 29349990 |
Selelekela
3. acid pinacol ester ke motsoako oa manyolo o nang le motsoako oa lik'hemik'hale oa C12H19BO3 le boima ba molek'hule oa 214.09g / mol.
Tlhaho:
-Ponahalo: Mokelikeli o se nang 'mala kapa o tiileng
-Ntho e qhibilihang:-43 ~-41 ℃
Sebaka se belang: 135-137 ℃
- Boima ba 'mele: 1.05 g/mL
-Solubility: E qhibiliha ka li-solvents tse tloaelehileng tse kang dimethylformamide, dichloromethane, methanol le ethanol.
Sebelisa:
- 3, acid pinacol ester ke e 'ngoe ea li-intermediate tsa bohlokoa ho organic synthesis. E ka sebelisoa e le reagent bakeng sa kaho ea li-bond tsa C-O le C-C, 'me hangata e sebelisoa e le mohloli oa ho kopanya C-C joalo ka Suzuki reaction le Stille reaction.
-Motsoako o ka boela oa sebelisoa ho lokisetsa lihlopha tse ling tse sebetsang kapa metsoako, e kang aldehydes, ketone le acids.
Mokhoa:
- 3, acid pinacol ester e atisa ho lokisoa ka ho arabela Pyran ka pinacol ea boronic tlas'a alkali catalysis. Mokhoa o khethehileng oa ho lokisetsa o ka khethoa ho ea ka litlhoko tsa sebele, 'me mokhoa o tloaelehileng oa ho lokisetsa o kenyelletsa ho sebelisa sodium borate le pinacol ho itšoara tlas'a maemo a alkaline.
Lintlha tsa Tšireletseho:
3, acid pinacol ester e ka ba kotsi ho bophelo bo botle le tikolohong. Tšebeliso e lokela ho latela mekhoa e nepahetseng ea laboratori 'me e be le lisebelisoa tse hlokahalang tsa tšireletso, tse kang liatlana tsa laboratori le tšireletso ea mahlo.
Ho feta moo, tlhaiso-leseling e khethehileng ea polokeho le litaelo tsa ts'ebetso li lokela ho bua ka leqephe la polokeho ea komporo (SDS) kapa litšupiso tse ling tse tšepahalang tsa lik'hemik'hale.
