Burgess reagent CAS 29684-56-8

ʻO ka wehewehe pōkole:

inoa kemika:Burgess reagent
inoa ʻē aʻe:(Methoxycarbonylsulfamoyl)triethylammonium hydroxide, paʻakai i loko;Methyl N-(triethylammoniosulfonyl)carbamate
Helu CAS:29684-56-8
Maʻemaʻe:95% min (HPLC)
Kumu:CH3O2CNSO2N(C2H5)3
Kaumaha Molekala:238.30
Nā waiwai kemika:ʻO Burgess reagent, methyl N-(triethylammoniumsulfonyl)carbamate, he paʻakai i loko o nā carbamates i hoʻohana ʻia ma ke ʻano he mea hoʻoheheʻe wai i loko o ke kemika organik.He paʻa keʻokeʻo a ʻeleʻele melemele, hiki ke hoʻoheheʻe ʻia i ka hapa nui o nā mea hoʻoheheʻe organik.Hoʻohana maʻamau ia i ka hopena o ka cis elimination a me ka maloʻo ʻana o nā ʻawaʻawa lua a me ke kula kiʻekiʻe e hana i nā alkenes, a ʻo ka pane ʻana he mālie a koho.Akā ʻaʻole maikaʻi ka hopena hopena o ka waiʻona mua.


Huahana Huahana

Huahana Huahana

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.

124

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.)


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