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649309

Sigma-Aldrich

(S)-(-)-2-甲基-CBS-噁唑硼烷

≥95%

同義詞:

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

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About This Item

經驗公式（希爾表示法）:
C18H20BNO
CAS號碼:
112022-81-8
分子量：:
277.17
MDL號碼:
MFCD00078439
分類程式碼代碼:
12352005
PubChem物質ID:
24883643
NACRES:
NA.22

化驗

≥95%

形狀

solid

官能基

phenyl

SMILES 字串

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 密鑰

VMKAFJQFKBASMU-KRWDZBQOSA-N

相關類別

應用

用于不对称还原和不对称合成的CBS催化剂
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。

象形圖

CorrosionExclamation mark
GHS05,GHS07

訊號詞

Danger

危險聲明

H302,H318

危險分類

Acute Tox. 4 Oral - Eye Dam. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

從最近期的版本中選擇一個：

分析證明 (COA)

Lot/Batch Number
SHBG9395V
SHBC5611V
SHBC2296V
SHBB2227V
37696PMV

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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
Angewandte Chemie (International Edition in English), 37, 1986-1986 (1998)
Sakai, T. et al.
Tetrahedron, 52, 233-233 (1996)
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文章

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.

CBS Catalysts

We are pleased to offer o-tolyl-CBS-oxazaborolidine as a 0.5 M solution in toluene for your research needs. When protonated with trifluoromethanesulfonimide, these chiral oxazaborolidines generate chiral Lewis acids, which have demonstrated great utility in the enantioselective Diels–Alder reaction.

CBS Catalysts

CBS Catalysts

CBS Catalysts

Sigma-Aldrich is 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.

相關內容

2-Methyl-CBS-oxazaborolidine

Our company is pleased to offer both enantiomers of 2-methyl-CBS-oxazaborolidine as a dry reagent, in addition to our current offerings as a 1 M solution in toluene.

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