Burgess reagent CAS 29684-56-8
Whakatakotoranga
| ITEM | Paerewa |
| Te ahua | He ma ki te kowhai marama totoka |
| Pure (HPLC) | ≥ 95% |
| NMR | Conforms ki te hanganga |
| Te rewa | 76-79 °C |
Taupānga
Ko te kaihoko whakamaoritanga o Burgess, e kiia ana ko Burgess reagent, he methyl N-(triethylaminosulfuryl) carbamate.Ka taea te whakamaroke i raro i nga ahuatanga ngawari, a, he maataki whakamaoritanga ngawari.Ka whakamahia hei huri i nga waipiro tuarua me nga waipiro tuatoru me nga protons tata ki te alkenes.
Ka taea te whakarite ma te tauhohenga o te chlorosulfone isocyanate me te triethylamine i roto i te methanol.I te wa o te matewai, ka whakaekea te whanariki e te roopu hydroxyl, katahi ka puta te whakakorenga cis.Ka taea hoki te whakamahi i nga kaihoko whakamaoritanga Burgess ki te whakahiato i nga puhui isonitrile mai i te formamide.He rite te tikanga o te tauhohenga ki te tauhohenga whakakorenga o te xanthate, ka whiwhi hoki te alkene i te whakakorenga cis o te ahua whakawhiti o te mowhiti e ono-mema i roto i te ngota.
Te Tarapi me te Rokiroki
100g/500g/1kg/25kg ranei hei tono;
Ko nga matū kino kore, he waahi rokiroki i te pāmahana iti (2-8°C).
(Takainga motuhake, karekau he whakakorenga. Kaore e hiahiatia he kawe tangihanga.)
