Journal ArticleDOI
Phloganthoside—a diterpene lactone glucoside from Phlogacanthus thyrsiflorus
A.K. Barua,S. Biswas,Amarendra Patra,K.Alyan Basu,Shyamal K. Panda,Shyamal K. Panda,Amitabha Ghosh +6 more
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TLDR
In this article, a new diterpene glucoside, phloganthoside has been isolated from Phlogacanthus thyrsiflorus and its structure has been established as Phlogantholide-A-19- O -β- d -glucopyranoside.About:
This article is published in Phytochemistry.The article was published on 1987-01-28. It has received 13 citations till now. The article focuses on the topics: Diterpene & Glucoside.read more
Citations
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Journal ArticleDOI
Analysis of secondary metabolites present in Phlogacanthus thyrsiflorus Nees plant parts using LC-ESI-MS
TL;DR: In this article , the qualitative and quantitative estimation of pharmacologically important terpenoids and β- Sitosterol present in Phlogacanthus thyrsiflorus Nees leaf, flower, and root were evaluated using UHPLC-ESI-MS.
Microscopical study of Phlogacanthus thyrsiflorus Nees (Acanthaceae): A well-known medicinal shrub
Barnali Dutta,S. K. Borthakur +1 more
TL;DR: It was found that many anatomical features of this plant were similar to those of a typical dicotyledonous plant, however, there were some unique features ofThis plant.
Journal ArticleDOI
Ent-abietane diterpenoid lactone glycosides and a phenolic glycoside from Phlogacanthus pulcherrimus T. Anderson with cytotoxic and cancer chemopreventive activities.
Surasak Kheawchaum,Chulabhorn Mahidol,Sanit Thongnest,Jutatip Boonsombat,Paratchata Batsomboon,Somkid Sitthimonchai,Somsak Ruchirawat,Hunsa Prawat +7 more
TL;DR: In this paper , entabietane diterpenoid lactone glycosides, pulcherrimosides A-I, and a phenolic glycoside, phlogoside A, together with ten known compounds were isolated from the aerial parts of Phlogacanthus pulcherrus T. Anderson.
References
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Journal ArticleDOI
The structure and stereochemistry of neoandrographolide, a diterpene glucoside from Andrographis paniculata nees
TL;DR: Neoandrographolide (2) is shown to be the β-glucoside of ent -19-hydroxy-8(17), 13-labdadien-16,15-olide as mentioned in this paper.
Journal ArticleDOI
Triterpenoid saponins from Fatsia japonica
TL;DR: In this article, triterpenoid saponins from the flowers, the mature fruits and the leaves of Fatsia japonica were identified as 3- O -[β- d -glucopyranosyl(1→4)-β-d -glocopyranoyl]-hederagenin.
Journal ArticleDOI
The structure and stereochemistry of phlogantholide-A, a diterpene from Phlogacanthus thyrsiflorus
A.K. Barua,M.K. Chowdhury,S. Biswas,C.Das Gupta,S.K. Banerjee,Shilpi Saha,Amarendra Patra,A.K. Mitra +7 more
TL;DR: The structure and stereochemistry of phlogantholide-A, a new diterpene lactone isolated from the leaves of Phlogacanthus thyrsiflorus has been determined as 2β,15,18-trihydroxy- ent -labd-8(17),13dien-16-oic lactone by chemical and spectroscopic means as mentioned in this paper.
Journal ArticleDOI
Carbon‐13 NMR spectra of some labdane diterpenoids
Amarendra Patra,Alok Kumar Mitra,S. Biswas,Chitra Das Gupta,Tapan K. Chatterjee,K. Basu,A.K. Barua +6 more
TL;DR: The assignment of the 13C NMR signals of 14-deoxy-andrographolide and its diacetate, made earlier, have now been confirmed by lanthanide shift studies on the former and also by 13C spectral studies on anhydroandrographic-grapholide diacetates.
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Antimicrobial Activity of Cassia didymobotrya and Phlogacanthus thyrsiflorus
Seram Anil Singh,N. R. Singh +1 more