Alkaloids from leaves and bark of Alstonia scholaris in the Philippines

Lagunamine (19-hydroxytubotaiwine), angustilobine B acid and losbanine (6,7-seco-6-nor-angustilobine B) were obtained from the leaves of PhilippineAlstonia scholaris, together with tubotaiwine, its oxide, and 6,7-seco- angustilobine B; the structures were determined from spectral evidence. 17-O-Acet...

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Main Authors:	Yamauchi, Tatsuo, Abe, Fumiko, Padolina, William G, Dayrit, Fabian M
Format:	text
Published:	Archīum Ateneo 1990
Subjects:	Alstonia scholaris Apocynaceae leaves bark alkaloids Chemistry Organic Chemistry
Online Access:	https://archium.ateneo.edu/chemistry-faculty-pubs/97 https://www.sciencedirect.com/science/article/abs/pii/003194229080208X
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Institution:	Ateneo De Manila University

id	ph-ateneo-arc.chemistry-faculty-pubs-1096
record_format	eprints
spelling	ph-ateneo-arc.chemistry-faculty-pubs-10962020-07-25T04:01:12Z Alkaloids from leaves and bark of Alstonia scholaris in the Philippines Yamauchi, Tatsuo Abe, Fumiko Padolina, William G Dayrit, Fabian M Lagunamine (19-hydroxytubotaiwine), angustilobine B acid and losbanine (6,7-seco-6-nor-angustilobine B) were obtained from the leaves of PhilippineAlstonia scholaris, together with tubotaiwine, its oxide, and 6,7-seco- angustilobine B; the structures were determined from spectral evidence. 17-O-Acetylechitamine was isolated from the bark of the plant along with echitamine. Alkaloidal patterns in the leaves and barks of PhilippineA. scholaris are discussed in relation to those reported from the same plant growing in Asian continental districts. 1990-01-01T08:00:00Z text https://archium.ateneo.edu/chemistry-faculty-pubs/97 https://www.sciencedirect.com/science/article/abs/pii/003194229080208X Chemistry Faculty Publications Archīum Ateneo Alstonia scholaris Apocynaceae leaves bark alkaloids Chemistry Organic Chemistry
institution	Ateneo De Manila University
building	Ateneo De Manila University Library
country	Philippines
collection	archium.Ateneo Institutional Repository
topic	Alstonia scholaris Apocynaceae leaves bark alkaloids Chemistry Organic Chemistry
spellingShingle	Alstonia scholaris Apocynaceae leaves bark alkaloids Chemistry Organic Chemistry Yamauchi, Tatsuo Abe, Fumiko Padolina, William G Dayrit, Fabian M Alkaloids from leaves and bark of Alstonia scholaris in the Philippines
description	Lagunamine (19-hydroxytubotaiwine), angustilobine B acid and losbanine (6,7-seco-6-nor-angustilobine B) were obtained from the leaves of PhilippineAlstonia scholaris, together with tubotaiwine, its oxide, and 6,7-seco- angustilobine B; the structures were determined from spectral evidence. 17-O-Acetylechitamine was isolated from the bark of the plant along with echitamine. Alkaloidal patterns in the leaves and barks of PhilippineA. scholaris are discussed in relation to those reported from the same plant growing in Asian continental districts.
format	text
author	Yamauchi, Tatsuo Abe, Fumiko Padolina, William G Dayrit, Fabian M
author_facet	Yamauchi, Tatsuo Abe, Fumiko Padolina, William G Dayrit, Fabian M
author_sort	Yamauchi, Tatsuo
title	Alkaloids from leaves and bark of Alstonia scholaris in the Philippines
title_short	Alkaloids from leaves and bark of Alstonia scholaris in the Philippines
title_full	Alkaloids from leaves and bark of Alstonia scholaris in the Philippines
title_fullStr	Alkaloids from leaves and bark of Alstonia scholaris in the Philippines
title_full_unstemmed	Alkaloids from leaves and bark of Alstonia scholaris in the Philippines
title_sort	alkaloids from leaves and bark of alstonia scholaris in the philippines
publisher	Archīum Ateneo
publishDate	1990
url	https://archium.ateneo.edu/chemistry-faculty-pubs/97 https://www.sciencedirect.com/science/article/abs/pii/003194229080208X
_version_	1681506782013292544

Alkaloids from leaves and bark of Alstonia scholaris in the Philippines

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