![Sigma-Aldrich 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,百分之九十七](/img/sigma/188439-1.webp)


| 货号 | 包装规格 | 操作 |
|---|---|---|
| 674788-250MG | 250 mg |
97%
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.
| 英文名称 | 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 |
| CAS 号 | 872143-57-2 |
| 经验分子式 | C18H11BF9N3O |
| 分子量 | 467.10 |
| NACRES | NA.22 |
| UNSPSC | 12352005 |
| MDL 号 | MFCD08457666 |
| InChI | 1S/C18H11F5N3O·BF4/c19-12-13(20)15(22)18(16(23)14(12)2 - 1)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 |
| SMILES字符串 | F[B-](F)(F)F.Fc1c(F)c(F)c(c(F)c1F)-[n+]2c[n@@H]3[C@@H]4[C@@H](Cc5ccccc45)OCc3n2 |
| InChI key | CPCMDOOTVHDRTM-CVJFODCESA-N |
| 含量测定 | 97% |
| 形态 | 固体 |
| 质量等级 | 100 |
| 反应适用性 | 试剂类型:有机催化剂 |
| 熔点 | 233-237 °C |
| 官能团 | 氟醚 |
| 储存温度 | 2-8°C |
| 包装规格(货号 674788-250MG) | 250 mg |