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Your search keyword '"Singh, Virendra P."' showing total 4 results
Start Over Author "Singh, Virendra P." Publisher taylor & francis ltd
4 results on '"Singh, Virendra P."'

2. Three new cyclopeptide alkaloids from Zizyphus species.

Author

Pandey, Manoj B., Singh, Ashok K., Singh, Jagdish P., Singh, Virendra P., and Pandey, Vidya B.

Subjects
PEPTIDES, ALKALOIDS, ZIZIPHUS, SPECTRUM analysis, ANALYTICAL chemistry
Abstract

Two new cyclopeptide alkaloids, xylopyrine-D and xylopyrine-E, from Zizyphus xylopyra and a new alkaloid, jubanine-E, from Zizyphus jujuba have been isolated and their structures were established by chemical and spectral evidences. [ABSTRACT FROM AUTHOR]

Published
2008
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3. Xylopyrine-F, a new cyclopeptide alkaloid from Zizyphus xylopyra.

Author

Pandey, Manoj B., Singh, Jagdish P., Singh, Ashok K., and Singh, Virendra P.

Subjects
PEPTIDES, ALKALOIDS, ZIZIPHUS, ANALYTICAL chemistry, SPECTRUM analysis
Abstract

A new 14-membered ring cyclopeptide alkaloid xylopyrine-F, together with known alkaloids nummularine-P and sativanine-H, has been isolated from the root bark of Zizyphus xylopyra and their structures were established by chemical and spectral evidences. [ABSTRACT FROM AUTHOR]

Published
2008
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4. Xylopyrine-C, a new cyclopeptide alkaloid from Zizyphus xylopyra.

Author

Singh, Ashok K., Pandey, Manoj B., Singh, Virendra P., and Pandey, Vidya B.

Subjects
PEPTIDES, ALKALOIDS, ZIZIPHUS, SPECTRUM analysis, ANALYTICAL chemistry
Abstract

Xylopyrine-C, a new 14-membered ring cyclopeptide alkaloid, has been isolated from the root bark of Zizyphus xylopyra together with a known alkaloid scutianine-C, and their structures were established by chemical and spectral evidences. [ABSTRACT FROM AUTHOR]

Published
2008
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