tert-butyl 2 4-dioxopiperidine-1-carboxylate (CAS# 845267-78-9)
Kotsi le Polokeho
Likhoutu tsa Kotsi | 20/21/22 - E kotsi ka ho hema, ho kopana le letlalo le haeba e koetsoe. |
Tlhaloso ea Tšireletseho | S23 - Se ke oa hema mouoane. S24/25 - Qoba ho kopana le letlalo le mahlo. |
WGK Jeremane | 3 |
Khoutu ea HS | 29337900 |
Boitsebiso
Sebelisa | 2, 4-dipiperidon-1-formate tert-butyl formate ke motsoako oa phenoxymethyl-dihydrothiazolopyridone derivatives Reactants sehlahisoa, e le modulator e khethiloeng e ntle ea sebopeho (PAM) ea metabolized glutamate 5 (mGlu5) receptor. |
kopo | 2, 4-dioperidone-1-tert-butyl formate e sebelisoa haholo-holo e le organic intermediate le pharmaceutical intermediate, 'me e ka sebelisoa ho etsa lipatlisiso tsa laboratori le ts'ebetso ea nts'etsopele le ts'ebetso ea motsoako oa meriana ea lik'hemik'hale. |
tokisetso | mohato a: eketsa EDCI (191.7g) ho DMF (400mL) tharollo ea 3-(tert-butoxycarbonylamino) propionic acid (189.2g,1.0mol), meldamic acid (144.1g,1.0mol) le DMAP (135.0g,1.1mol) ) e pholile ka ho hlatsoa leqhoa, 1.0mol). Li-reactants tse hlahisitsoeng li ile tsa tsosoa bosiu bo le bong mocheso oa kamore. Karabelo e ile ea tima ka 200mL H2O. The sephetho motsoako ile a phaella ka dropwise ho H2O (2.0L) tlas'a mechine susumetsang maikutlo. Se tiileng se fumanoeng se ile sa tlhotloa 'me sa hlatsuoa hantle ka metsi ho pH 7 ho fumana sehlahisoa (283g,90% chai). Mohato oa B: Tharollo ea 3-(2, 2-dimethyl-4, 6-dioxo-1, 3-dioxan-5-yl)-3-oxopropylcarbamate tert-butyl ester (100g,317.46mmol) ka toluene (1500mL) e futhumatsoa ka 100 ° C ka lihora tse 4. Li-reactants li pholile ka mocheso oa kamore 'me li tsepamisitsoe tlas'a khatello e fokolang ho fumana sehlahisoa se tala. Sehlahisoa (56g, 83% lihlahisoa) se hloekisitsoe ke MTBE-sila. |
Ngola molaetsa wa hao mona mme o re romele wona