Isopimaric acid CAS No.5835-26-7 / Cat No.EBD2198733
Isopimaric acid
4-Epi-isopimaric acid
1-Phenanthrenecarboxylic acid, 7-ethenyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-1,4a,7-trimethyl-, (1R,4aR,4bS,7S,10aR)-
1-Phenanthrenecarboxylic acid, 7-ethenyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-1,4a,7-trimethyl-, (1theta-(1alpha,4abeta,4balpha,7alpha,10aalpha))-
(5xi,9xi,13xi)-pimara-7,15-dien-18-oic acid
pimara-7,15-dien-18-oic acid
(13alpha)-pimara-7,15-dien-18-oic acid
(5xi,9xi,13alpha)-pimara-7,15-dien-18-oic acid
1-Phenanthrenecarboxylic acid, 7-ethenyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-1,4a,7-trimethyl-, (1R,4aR,4bS,7S,10aR)-
1-Phenanthrenecarboxylic acid, 7-ethenyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-1,4a,7-trimethyl-, (1theta-(1alpha,4abeta,4balpha,7alpha,10aalpha))-
(5xi,9xi,13xi)-pimara-7,15-dien-18-oic acid
pimara-7,15-dien-18-oic acid
(13alpha)-pimara-7,15-dien-18-oic acid
(5xi,9xi,13alpha)-pimara-7,15-dien-18-oic acid
Properties
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Density:
1.05g/cm3
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Boiling point:
416.7°Cat760mmHg
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Flashing point:
200°C
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Storage temperature:
−20°C
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Vapour pressure:
0mmHg at 25°C
Safety Information
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Symbol:
-
Signal words:
Warning -
Hazard statements:
H400 Very toxic to aquatic life.
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Precautionary statements:
P273 Avoid release to the environment.
NMR Spectrum
Prediction： 1H-NMR(CDCl3, 500 MHz) delta 0.86 (s, 3H, H-19), 0.91 (s, 3H, H-20), 1.12 (m, 1H), 1.27 (s, 3H, H-17), 1.37 (m, 2H), 1.48 (m, 1H), 1.55 (m, 3H), 1.67-2.03 (m, 9H), 4.87 (dd, J=1.7, 10.8 Hz, 1H, H-16ab, H-16ax), 4.93 (dd, J=0.6, 17.5 Hz, 1H, H-16ba, H-16bx), 5.32 (d like, J=4.1 Hz, 1H, H-7), 5.80 (dd, J=10.8, 17.6 Hz, H-15ax, H-15bx), 12.1 (brs, 1H, -COOH).
1H NMR
13C NMR
