3 6-Dihydro-2H-pyran-4-boronic acid pinacol ester (CAS# 287944-16-5)
| Akara egwu | Xn - na-emerụ ahụ |
| Koodu ihe egwu | 22 - Na-emerụ ma ọ bụrụ na-eloda |
| Nkọwapụta nchekwa | S20 - Mgbe ị na-eji, erila ma ọ bụ ṅụọ. S35 - A ga-ekpochapụ ihe a na akpa ya n'ụzọ dị nchebe. |
| WGK Germany | 3 |
| Koodu HS | 29349990 |
Okwu mmalite
3. acid pinacol ester bụ organic compound na usoro kemịkalụ nke C12H19BO3 na molekụla arọ nke 214.09g / mol.
Ọdịdị:
- Ọdịdị: mmiri mmiri na-enweghị agba ma ọ bụ siri ike
-Mgbaze:-43 ~-41 ℃
- Ebe esi mmiri: 135-137 ℃
-Njupụta: 1.05 g/ml
-Solubility: Soluble na nkịtị organic solvents dị ka dimethylformamide, dichloromethane, methanol na ethanol.
Jiri:
- 3, acid pinacol ester bụ otu n'ime ndị dị mkpa intermediates na organic njikọ. Enwere ike iji ya dị ka reagent maka iwu nke C-O na C-C agbụ, a na-ejikarị ya eme ihe maka mmeghachi omume C-C dịka mmeghachi omume Suzuki na mmeghachi omume Stille.
-Enwekwara ike iji ogige ahụ kwadebe otu ndị ọzọ na-arụ ọrụ ma ọ bụ ogige, dị ka aldehydes, ketones na acids.
Usoro:
- 3, acid pinacol ester na-akwadokarị site na ime Pyran na boronic acid pinacol n'okpuru alkali catalysis. Enwere ike ịhọrọ usoro nkwadebe a kapịrị ọnụ dị ka ihe achọrọ n'ezie, na usoro nkwadebe nkịtị gụnyere iji sodium borate na pinacol mee ihe n'okpuru ọnọdụ alkaline.
Ozi nchekwa:
3, acid pinacol ester nwere ike imerụ ahụike na gburugburu ebe obibi. Ojiji kwesịrị ịgbaso usoro ụlọ nyocha kwesịrị ekwesị ma nweekwa akụrụngwa nchedo onwe onye dị mkpa, dị ka uwe ụlọ nyocha na nchedo anya.
Na mgbakwunye, ozi nchekwa akọwapụtara na ntuziaka ọrụ kwesịrị ịtu aka na mpempe data nchekwa nke ogige (SDS) ma ọ bụ ntụaka kemịkalụ ndị ọzọ a pụrụ ịdabere na ya.
