Kūʻai wela Trifluoromethanesulfonic anhydride CAS 358-23-6

ʻO ka wehewehe pōkole:

Trifluoromethanesulfonic anhydride

CAS: 358-23-6
MF: C2F6O5S2
MW: 282.14
EINECS: 206-616-8

Maʻemaʻe: 99% min

 

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Huahana Huahana

Huahana Huahana

Hōʻike huahana

ʻO Trifluoromethanesulfonic anhydride, i ʻike ʻia hoʻi he triflic anhydride, ʻo ia ka hui kemika me ka formula₂O.

ʻO ia ka waikawa anhydride i loaʻa mai ka triflic acid.

He electrophile ikaika kēia pūhui, pono no ka hoʻokomo ʻana i ka hui triflyl, CF₃SO₂.

Hoʻopau ʻia ʻo Tf₂O, triflic anhydride ka acid anhydride o ka waikawa triflic acid ikaika, CF₃SO₂OH.

Hōʻike

Nā mea

Hōʻike

Nā hopena hoʻāʻo

Ka nana aku

ʻO ka wai ʻākala kala ʻole

Kūlike

Maemae

99.0% min

99.52%

F

50ppm

13.9ppm

CF3SO3H

0.5%

0.38%

SO4

100ppm

74.4ppm

Ka Hopena: Kupono.

Palapala noi

ʻO Trifluoromethanesulfonic Anhydride kahi electrophile ikaika i hoʻohana ʻia i ka synthesis kemika no ka hoʻokomo ʻana i ka hui triflyl.

Hoʻohana ʻia ka trifluoromethanesulfonic anhydride e hoʻohuli i nā phenols a me ka imine i loko o ka triflic ester a me ka hui NTf.He electrophile ikaika ia i hoʻohana ʻia no ka hoʻokomo ʻana i ka hui triflyl i ka synthesis kemika.Hoʻohana ia ma ke ʻano he reagent i ka hoʻomākaukau ʻana i nā alkyl a me vinyl triflates, a no ka stereoselective synthesis o mannosazide methyl uronate donors.Hana ia ma ke ʻano he catalyst no ka glycosylation me ka anomeric hydroxy sugars e hoʻomākaukau ai i nā polysaccharides.

ʻO kā mākou pono

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