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649309

(S)-(-)-2-甲基-CBS-噁唑硼烷

≥95%

别名:

(S)-2-methyl-CBS-oxazaborolidine, (S)-CBS reagent, (S)-Me-CBS, (S)-Methyl-CBS

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关于此项目

经验公式（希尔记法）:
C18H20BNO
化学文摘社编号:
112022-81-8
分子量:
277.17
NACRES:
NA.22
PubChem Substance ID:
24883643
UNSPSC Code:
12352005
MDL number:
MFCD00078439
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Quality Level

100

assay

≥95%

form

solid

functional group

phenyl

SMILES string

CB1OC(C2CCCN12)(c3ccccc3)c4ccccc4

InChI

1S/C18H20BNO/c1-19-20-14-8-13-17(20)18(21-19,15-9-4-2-5-10-15)16-11-6-3-7-12-16/h2-7,9-12,17H,8,13-14H2,1H3/t17-/m0/s1

InChI key

VMKAFJQFKBASMU-KRWDZBQOSA-N

Application

CBS（Corey-Bakshi-Shibata）恶唑硼烷催化剂已被用于前手性酮的不对称还原。其它应用包括对映选择性合成α-羟基酸、α- 氨基酸、 C2对称二茂铁基二醇和炔丙醇。
用于不对称还原和不对称合成的CBS催化剂

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

存储类别

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SHBG9395V
SHBC5611V
SHBC2296V
SHBB2227V
37696PMV

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商品

CBS Catalysts

we are pleased to offer both enatiomers of 2-methyl-CBS-oxazaborolidine as a dry reagent, in addition to our current offerings as a 1M solution in toluene.

Asymmetric Catalysis with Chiral Oxazaborolidinium Ions (COBIs)

Learn about the applications of chiral oxazaborolidinium ions (COBIs) as Lewis acid catalysts in different asymmetric reactions such as cyclopropanation, epoxidation, and radical reactions along with details of their catalytic action.

Corey, E. J. et al.
Journal of the American Chemical Society, 109, 5551-5551 (1987)
Singh, V. K.
Synthesis, 605-605 (1992)
Cliff R Baar et al.
Journal of the American Chemical Society, 126(26), 8216-8231 (2004-07-01)
A series of enantiopure C1-symmetric metallocenes, [(SiMe2)2[eta5-C5H(CHMe2)2][eta5-C5H2((S)-CHMeCMe3)]]ZrCl2, (S)-2, [(SiMe2)2[eta5-C5H(CHEt2)2][eta5-C5H2((S)-CHMeCMe3)]]ZrCl2, (S)-6, and [(SiMe2)2[eta5-C5HCy2][eta5-C5H2((S)-CHMeCMe3)]]ZrCl2, (S)-7 (Cy = cyclohexyl), zirconocene dichlorides that have an enantiopure methylneopentyl substituent on the "upper" cyclopentadienyl ligand, and diastereomerically pure precatalysts, [(SiMe2)2[eta5-C5H((S)-CHMeCy)(CHMe2)][eta5-C5H3]]ZrCl2, (S)-8a and (S)-8b, which have an
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全球贸易项目编号

货号GTIN
649309-10G04061832731445
649309-1G04061832731452