Burgess reagent CAS 29684-56-8
Hōʻike
MEA | KANAWAI |
Ka nana aku | Keʻokeʻo a ʻulaʻula melemele paʻa |
Maʻemaʻe (HPLC) | ≥ 95% |
NMR | Conforms to structure |
Lae hehee | 76-79 °C |
Palapala noi
ʻO Burgess dehydrating agent, i kapa ʻia ʻo Burgess reagent, ʻo ia ka methyl N-(triethylaminosulfuryl) carbamate.Hiki ke hoʻoheheʻe ʻia ma lalo o nā kūlana haʻahaʻa a he mea hoʻoheheʻe koho maʻalahi.Hoʻohana ʻia ia e hoʻololi i nā ʻawaʻawa lua a me ke kula kiʻekiʻe me nā protons pili i nā alkenes.
Hiki ke hoʻomākaukau ʻia e ka hopena o ka chlorosulfone isocyanate a me ka triethylamine i ka methanol.I ka wā dehydration, hoʻouka ʻia ka sulfur e ka hui hydroxyl, a laila hoʻopau ʻia ka cis.Hiki ke hoʻohana ʻia nā mea hoʻoheheʻe ʻo Burgess e synthesize i nā pūhui isonitrile mai formamide.Ua like ke ano hana me ka xanthate elimination reaction, a ua loaa no hoi ka alkene ma o ka hoopau ana i ka mokuaina hoololi o ke apo o na lala eono i ka mole.
Hoʻopaʻa a mālama
100g/500g/1kg/25kg a i ʻole e like me ke noi;
ʻO nā kemika ʻaʻole pōʻino, ka waiho ʻana i ka vacuumed ma kahi haʻahaʻa haʻahaʻa (2-8°C).
(Hoʻopili kūikawā, ʻaʻohe deactivation. ʻAʻole koi ʻia ka lawe cryogenic.)