tert-butyl 2 4-dioxopiperidine-1-carboxylate(CAS# 845267-78-9)
Tulaga lamatia ma le Saogalemu
Tulaga lamatia | 20/21/22 – E afaina pe a manava, pe a pa‘u i le pa‘u ma pe a folo. |
Fa'amatalaga Saogalemu | S23 – Aua le mānavaina le ausa. S24/25 – Aloese mai le fa'afeso'ota'i ma pa'u ma mata. |
WGK Siamani | 3 |
HS Code | 29337900 |
Fa'amatalaga
Fa'aoga | 2, 4-dipiperidon-1-formate tert-butyl formate o le tuʻufaʻatasiga o phenoxymethyl-dihydrothiazolopyridone derivatives Reactants i totonu o le oloa, e pei o se faʻaogaina lelei le faʻatulagaina modulator (PAM) o le metabolized glutamate 5(mGlu5) receptor. |
talosaga | 2, 4-dioperidone-1-tert-butyl formate e masani ona faʻaaogaina e avea ma vailaʻau vavalo ma vailaʻau, ma e mafai ona faʻaaogaina i suʻesuʻega suʻesuʻe ma atinaʻe faʻasolosolo ma vailaʻau vailaʻau faʻasologa. |
sauniuniga | Laasaga a: faaopoopo EDCI(191.7g) i le DMF(400mL) fofo o le 3-(tert-butoxycarbonylamino) propionic acid (189.2g,1.0mol), meldamic acid (144.1g,1.0mol) ma DMAP(135.0g,1.1mol) ) fa'alili ile ta'ele aisa, 1.0mol). O mea fa'aoso fa'atupu na fa'avevesi i le po i le vevela o le potu. O le tali na tineia i le 200mL H2O. O le fa'afefiloi na maua na fa'aopoopoina fa'atete i le H2O(2.0L) i lalo o le fa'aosoina o masini. O le malo na maua sa faamama ma fufulu mama i le vai i le pH 7 e maua ai le oloa (283g,90% fua). Laasaga B: O se vaifofo o le 3-(2, 2-dimethyl-4, 6-dioxo-1, 3-dioxan-5-yl) -3-oxopropylcarbamate tert-butyl ester (100g,317.46mmol) ile toluene (1500mL) e fa'avevela ile 100°C mo le 4 itula. E fa'alili ia mea e fa'afefe i le potu vevela ma fa'atumauina i lalo o le fa'aitiitia o le mamafa ina ia maua ai se oloa fa'atauva'a. O le oloa (56g,83% yield) na faʻamamaina e le MTBE-olo. |
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