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5a(R),10b(S)-5a,10b-Dihydro-2-(pentafluorophenyl)-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazinium tetrafluoroborate

5a(R),10b(S)-5a,10b-二氢-2-(五氟苯基)-4H,6H-茚并[2,1-b][1,2,4]三唑并[4,3-d][1,4]噁嗪鎓四氟硼酸

品牌
Sigma-Aldrich
CAS
872143-57-2
货号
674788
包装型号
规格纯度
97%
参考价格
2186.82 *本价格含增值税费
促销
数量
-+
产品介绍:

产品说明

应用

5a(R),10b(S)-5a,10b-Dihydro-2-(pentafluorophenyl)-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazinium tetrafluoroborate can be used as an N-heterocyclic carbene (NHC) organocatalyst in:

  • Benzoin reactions of aldehydes and total synthesis of a natural product named isodarparvinol B.
  • Synthesis of spirocyclic oxindole-dihydropyranones by reacting α-bromo-α,β-unsaturated aldehydes with isatin derivatives.
  • Synthesis of 1,4-dicarbonyl compounds through intramolecular Stetter reaction.

包装

250 mg in glass bottle

基本信息

经验(实验)分子式C18H11BF9N3O
分子量467.10
MDL编号MFCD08457666
PubChem化学物质编号24885239
NACRESNA.22

产品性质

测定97%
mp233-237 ℃
储存温度2-8℃
SMILES stringF[B-](F)(F)F.Fc1c(F)c(F)c(c(F)c1F)-[n+]2c[n@@H]3[C@@H]4[C@@H](Cc5ccccc45)OCc3n2
InChI1S/C18H11F5N3O.BF4/c19-12-13(20)15(22)18(16(23)14(12)21)26-7-25-11(24-26)6-27-10-5-8-3-1-2-4-9(8)17(10)25;2-1(3,4)5/h1-4,7,10,17H,5-6H2;/q+1;-1/t10-,17+;/m1./s1
InChI keyCPCMDOOTVHDRTM-CVJFODCESA-N

安全信息

象形图GHS05
警示用语:Danger
危险声明H314
预防措施声明P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
危险分类Eye Dam. 1 - Skin Corr. 1B
储存分类代码8A - Combustible, corrosive hazardous materials
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备Eyeshields, Faceshields, Gloves, type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

Sigma-Aldrich

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