340235
(R)-(+)-4-甲基-4-(三氯甲基)-2-噁丁烷酮
98%
别名:
(R)-(+)-3-羟基-3-甲基-4,4,4-三氯丁酸 β-内酯
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关于此项目
经验公式（希尔记法）:
C5H5Cl3O2
化学文摘社编号:
分子量:
203.45
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
5730854
Assay:
98%
InChI
1S/C5H5Cl3O2/c1-4(5(6,7)8)2-3(9)10-4/h2H2,1H3/t4-/m1/s1
SMILES string
C[C@@]1(CC(=O)O1)C(Cl)(Cl)Cl
InChI key
MIYJBPXTAZJPGX-SCSAIBSYSA-N
assay
98%
optical activity
[α]26/D +6.0°, c = 2 in ethanol
bp
120 °C/0.1 mmHg (lit.)
mp
43-44 °C (lit.)
functional group
chloro, ester
Application
(R)-(+)-4-Methyl-4-(trichloromethyl)-2-oxetanone may be used in the preparation of (S)-citramalic acid.
signalword
Warning
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
A highly efficient synthesis of (R)-and (S)-citramalic acid.
Staring EGJ, et al.
Rec. Trav. Chim., 105(10), 374-375 (1986)
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