(3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one(76855-69-1) IR1
Molecular FormulaC13H25NO4Si
Molecular Weight287.43
InChIInChI=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
InChIKey GWHDKFODLYVMQG-UBHAPETDSA-N
SmilesN1[C@H](OC(C)=O)[C@@H]([C@H](O[Si](C(C)(C)C)(C)C)C)C1=O
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![](https://www.chemicalbook.com/Spectrum/76855-69-1_MS_1.jpg)
Mass
MS-IW-0793
(3R,4R)-4-acetoxy-3-((R)-1-(tert-butyldimethylsilyloxy)ethyl)-2-azetidinone
C13H25NO4Si (Mass of molecular ion: 287)
Source Temperature: 120 °C
Sample Temperature: 100 °C
Direct, 75 eV
27.0 1.2
28.0 1.2
29.0 1.4
39.0 2.2
41.0 5.3
42.0 2.2
43.0 5.5
44.0 2.0
45.0 5.8
47.0 4.4
55.0 1.3
56.0 2.6
57.0 2.8
59.0 6.2
60.0 3.0
61.0 1.8
67.0 1.5
68.0 1.7
69.0 3.2
70.0 1.0
71.0 1.0
73.0 8.1
74.0 1.7
75.0 100.0
76.0 8.0
77.0 4.6
85.0 1.2
95.0 1.4
96.0 1.4
99.0 5.9
100.0 6.1
101.0 6.6
102.0 1.1
103.0 2.4
115.0 1.8
117.0 3.1
122.0 1.5
126.0 9.5
127.0 3.7
128.0 1.1
132.0 6.4
142.0 1.1
143.0 6.5
144.0 2.5
159.0 1.7
170.0 7.6
171.0 1.6
188.0 1.3
196.0 1.5
197.0 1.2