Styryllactones from goniothalamus tamirensis
Web1 Dec 2024 · A new styryl lactone, 5R,6R-5-hydroxy-6-styryltetrahydropyrane-2-one 2 was isolated from the roots of an endemic Goniothalamus lanceolatus Miq. of Sarawak, Malaysia. Furthermore, seven previously undescribed diastereomers, 5R,6R-5-hydroxygoniothalamin 3, 5R,6R-5-acetylgoniothalamin 4, 6S,7S,8S-goniodiol-7 … WebAlkaloids and styryllactones from the leaves of Goniothalamus tamirensis Dang Thach Tran, Huong Doan Thi Mai, Van Cuong Pham, Van Hung Nguyen, more. Phytochemistry Letters > 2013 > 6 > 1 > 79-83. Three new compounds, goniotamirine (1), goniotamiric acid (2), and 3,5-demethoxypiperolide (3) were isolated from the leaves of Goniothalamus ...
Styryllactones from goniothalamus tamirensis
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Web17 Aug 2009 · The flowers extracts of Goniothalamus laoticus were isolated by chromatographic techniques. Structures of isolated compounds were identified by … WebParvistones A–E (1–5), five new styryllactones possessing a rare α,β-lactone moiety and a 6S configuration, were isolated from a methanolic extract of Polyalthia parviflora leaves. …
WebThe molecular formula C 17 H 22 O 5 (seven indices of hydrogen deficiency) of 1 was deduced from a sodium adduct peak at m / z 329.13605 in the HRESIMS. The IR spectrum indicated the presence of hydroxy (3380 cm −1) and ester carbonyl (1684 cm −1) groups. WebEight previously undescribed compounds, including four alkaloids and five styryllactones together with 36 known compounds were isolated from the twig and leaf extracts of …
Web(0000). Alkaloids and styryllactones from the leaves of Goniothalamus tamirensis. Phytochemistry letters, 6, 79-83. doi: 10.1016/j.phytol.2012.10.015 Chicago Dang Thach Tran, Huong Doan Thi Mai, Van Cuong Pham, Van Hung Nguyen, Marc Litaudon, Françoise Guéritte, Quoc Vuong Nguyen, Tuan Anh Tran, and Van Minh Chau. WebIsiaka Ogunwande studies Bioactive Compounds and Phytochemicals in Foos, Central African Republic, and Microbial biotechnology.
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WebStyryllactones from Goniothalamus tamirensis . Abstract . The phytochemical investigation of the twig and leaf extracts of Goniothalamus tamirensis led to the isolation and identification of 15 compounds including three rare previously undescribed styryllactones, goniotamirenones A-C, together with 12 known compounds. bulk creatineWebstyryllactones from the leaves of G. tamirensis [3]. In continuation of our search for natural antitumor agents, we examined the fruits of ... Due to oxidation and cyclization processes, the styryllactones from Goniothalamus species have chemical structural diversity. Goniotriol [1e,8] and goniopypyrone [9] have been found in several bulk creatine hclWebJames Cook University - Cited by 67 - Natural Products Chemistry - Phytochemistry - Organic Chemistry - Medicinal plants - Drug dicovery crye precision sizing chart