Ethyl (S)-(+)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-2-propenoate CAS No.64520-58-7 / Cat No.EBD4122
ethyl-(S)-(E)-4,5-O-isopropylidene 4,5-dihydroxypent-2-enoate
ethyl (S)-trans-4,5-O-isopropyl.-4,5-di-hydroxy-2-pentenoate
Ethyl (S)-(E)-4,5-O-isopropylidene-4,5-dihydroxy-2-pentenoate
Ethyl (S)-(+)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-2-propenoate,predominantly trans
(E)-3-[(4S)-2,2-Dimethyl-1,3-dioxolan-4-yl]-2-propenoic acid ethyl ester
ethyl (2E)-3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-enoate
2-propenoic acid, 3-[(4s)-2,2-dimethyl-1,3-dioxolan-4-yl]-, ethyl ester, (2e)-
Ethyl (S)-(+)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-2-propenoate
Ethyl (S)-(E)-4,5-O-isopropylidene-4,5-dihydroxy-2-pentenoate
Ethyl (S)-(+)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-2-propenoate,predominantly trans
(E)-3-[(4S)-2,2-Dimethyl-1,3-dioxolan-4-yl]-2-propenoic acid ethyl ester
ethyl (2E)-3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-enoate
2-propenoic acid, 3-[(4s)-2,2-dimethyl-1,3-dioxolan-4-yl]-, ethyl ester, (2e)-
Ethyl (S)-(E)-4,5-O-isopropylidene-4,5-dihydroxy-2-pentenoate
Ethyl (S)-(+)-3-(2,2-dimethyl-1,3
Properties
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Density:
1.035 g/mL at 25 °C(lit.)
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Boiling point:
115-117 °C/12 mmHg(lit.)
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Flashing point:
110 °C
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Coefficient of refraction:
n20/D 1.4505(lit.)
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Vapour pressure:
0.0368mmHg at 25°C
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Optical rotation:
[α]20/D +44°, c = 0.5 in chloroform
Safety Information
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Signal words:
None
NMR Spectrum
Prediction： 1H-NMR (250 MHz, CDCl3) 1.3 (t, 3JH-H = 7 Hz, 3H), 1.4 (s, 3H), 1.5 (s, 3H), 3.7 (dd, 3JH-H = 7 Hz, 2JH-H = 8.25 Hz, 1H), 4. 2 (m, 3H), 4.7 (m, 2H), 6.1 (dd, 4JH-H 1.5 Hz, 3JH-H = 15.5 Hz, 1H), 6.9 (dd, 3JH-H = 5.75 Hz, 3JH-H = 15.5 Hz, 1H).
1H NMR
13C NMR
