Te hoko wera Trifluoromethanesulfonic anhydride CAS 358-23-6

Whakaahuatanga Poto:

Trifluoromethanesulfonic anhydride

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

Maama: 99% min

 

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Taipitopito Hua

Tohu Hua

Whakaahuatanga Hua

Ko te trifluoromethanesulfonic anhydride, e mohiotia ana ko te triflic anhydride, ko te pūhui matū me te tātai₂O.

Ko te waikawa anhydride i ahu mai i te waikawa triflic.

Ko tenei puhui he electrophile kaha, he pai mo te whakauru i te roopu triflyl, CF₃SO₂.

Ko te Tf₂O whakapoto, triflic anhydride ko te waikawa anhydride o te waikawa triflic acid kaha, CF₃SO₂OH.

Whakatakotoranga

Nga taonga

Whakatakotoranga

Nga hua whakamatautau

Te ahua

Te wai marama kore tae

Ka rite

Maamaa

99.0% min

99.52%

F

50ppm

13.9ppm

CF3SO3H

0.5%

0.38%

SO4

100ppm

74.4ppm

Whakamutunga: Tohu.

Taupānga

Ko te Trifluoromethanesulfonic Anhydride he electrophile kaha e whakamahia ana i roto i te whakahiato matū mo te whakauru i te roopu triflyl.

Ka whakamahia te trifluoromethanesulfonic anhydride ki te huri i nga phenols me te imine ki roto i te ester triflic me te roopu NTf. He electrophile kaha e whakamahia ana mo te whakauru i te roopu triflyl i roto i te whakahiato matū. Ka mahi hei reagent i roto i te whakarite o te alkyl me te vinyl triflates, me te whakahiato stereosective o te mannosazide methyl uronate donors. Ka mahi hei whakakorikori mo te glycosylation me nga huka hauwai anomeric hei whakarite i nga polysaccharides.

To Tatou Painga

Rare-earth-scandium-oxide-with-great-utu-2

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