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
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:
分子量:
287.43
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352005
EC Number:
408-050-9
MDL number:
Assay:
98%
产品名称
[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, 98%
InChI key
GWHDKFODLYVMQG-UBHAPETDSA-N
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
SMILES string
C[C@@H](O[Si](C)(C)C(C)(C)C)C1[C@H](NC1=O)OC(C)=O
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
Quality Level
signalword
Warning
hcodes
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
Barbara Grzeszczyk et al.
The Journal of antibiotics, 66(3), 161-163 (2013-03-28)
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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