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201856-57-7

Basic Information
CAS No.: 201856-57-7
Name: (3R,4S)-tert-Butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate
Article Data: 2
Molecular Structure:
Molecular Structure of 201856-57-7 ((3R,4S)-tert-Butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate)
Formula: C18H25NO5
Molecular Weight: 335.4
Synonyms: 1-Azetidinecarboxylicacid, 3-(1-ethoxyethoxy)-2-oxo-4-phenyl-, 1,1-dimethylethyl ester, [3R-(3a,4a)]-[partial]-;
EINECS: 1592732-453-0
Density: 1.161 g/cm3
Boiling Point: 459.592 °C at 760 mmHg
Flash Point: 231.753 °C
PSA: 65.07000
LogP: 3.21060
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Chemistry

Molecular Structure of 1-Azetidinecarboxylicacid, 3-(1-ethoxyethoxy)-2-oxo-4-phenyl-, 1,1-dimethylethyl ester, (3R,4S)- (CAS NO.201856-57-7):

Empirical Formula: C18H25NO5
Molecular Weight: 335.3948
CAS: 201856-57-7
H bond acceptors: 6
H bond donors: 0
Freely Rotating Bonds: 7
Polar Surface Area: 65.07 Å2
Index of Refraction: 1.532
Molar Refractivity: 89.55 cm3
Molar Volume: 288.9 cm3
Surface Tension: 43.6 dyne/cm
Density: 1.16 g/cm3
Flash Point: 231.8 °C
Enthalpy of Vaporization: 72.01 kJ/mol
Boiling Point: 459.6 °C at 760 mmHg
Vapour Pressure: 1.25E-08 mmHg at 25°C
CAS: 201856-57-7

Specification

 1-Azetidinecarboxylicacid, 3-(1-ethoxyethoxy)-2-oxo-4-phenyl-, 1,1-dimethylethyl ester, (3R,4S)- , with CAS number of 201856-57-7, can be called 3-(1-Ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecarboxylic acid 1,1-dimethylethyl ester ; (3r,4s)-tert-butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate ; (3r,4s)-1-azetidinecarboxylic acid-3-(2-ethoxyethoxy)-4-phenyl-2-phenyl-azetidione ; (3r,4s)-1-t-butoxycarbonyl-3-(2-ethoxyethoxyl)-4-phenyl-2-azetidinone ; (3r,4s)-1-t-butoxycarbonyl-3-(2-ethoxyethoxyl)-4-phenyl-2-azetidinone,98% ; side chains of docetaxel--1 ; (1-Ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecarboxylic acid 1,1-dimethyl ethyl ester .