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375845

[3R(1′R,4R)]-(+)-4-乙酰氧基-3-[1-(叔丁基二甲基硅氧基)乙基]-2-氮杂环丁酮

Name: [3R(1′R,4R)]-(+)-4-乙酰氧基-3-[1-(叔丁基二甲基硅氧基)乙基]-2-氮杂环丁酮
Brand: ALDRICH

98%

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关于此项目

经验公式（希尔记法）:

C₁₃H₂₅NO₄Si

化学文摘社编号:

76855-69-1

分子量:

287.43

NACRES:

NA.22

PubChem Substance ID:

24863408

UNSPSC Code:

12352005

EC Number:

408-050-9

MDL number:

MFCD00077636

Assay:

98%

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属性

Quality Level

100

assay

98%

optical activity

[α]20/D +51°, c = 1 in chloroform

mp

107-109 °C (lit.)

functional group

ester

storage temp.

2-8°C

SMILES string

C[C@@H](O[Si](C)(C)C(C)(C)C)C1[C@H](NC1=O)OC(C)=O

InChI

1S/C13H25NO4Si/c1-8(18-19(6,7)13(3,4)5)10-11(16)14-12(10)17-9(2)15/h8,10,12H,1-7H3,(H,14,16)/t8-,10+,12-/m1/s1

InChI key

GWHDKFODLYVMQG-UBHAPETDSA-N

说明

pictograms

GHS07,GHS09

signalword

Warning

hcodes

H317,H319,H411

pcodes

P273 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Aquatic Chronic 2 - Eye Irrit. 2 - Skin Sens. 1

存储类别

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

历史批次信息供参考:

分析证书(COA)

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A novel, practical and stereoselective synthesis of (3R,4R)-4-acetoxy-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone, a key intermediate in the preparation of β-lactam antibiotics is reported. The crucial step of the synthesis is based on the Cu(I)-mediated Kinugasa cycloaddition/rearrangement cascade between silyl protected (R)-3-butyn-2-ol and the nitrone

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货号	GTIN
375845-1G	04061825932910