Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Sajan L Shyaula"'
Autor:
Sajan L Shyaula, Teresa Shah, Rajitha Kalum Rathnayaka, Sameera R Samarakoon, Erendra Manandhar, Jian Min Yue, Mangala Devi Manandhar
Publikováno v:
Journal of Nepal Chemical Society. 43:125-129
Atranorin 1, Usnic acid 2, and D-Arabinitol 3 were isolated from Usnea aciculifera by extensive column chromatography. The structures were elucidated based on the comprehensive spectral analysis including FT IR, GC MS, ESI MS, 13C NMR, and 1H NMR. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3fe532de495bcd8e20b815b05bba5cf
https://doi.org/10.3126/jncs.v43i2.53357
https://doi.org/10.3126/jncs.v43i2.53357
Publikováno v:
Bibechana, Vol 17 (2020)
Antioxidant activity of quercetin (1) and its derivatives (2-15) was evaluated by using DPPH assay and IC50 values were calculated. Dihedral angles α of C3-C2-C1’-C6’ chain and β of O1-C2-C-1’-C2’ chain between AC and B rings of these flavo
Externí odkaz:
https://doaj.org/article/d17699e419dd45a9a53f74e22a9a3acb
Publikováno v:
International Journal of Mass Spectrometry. 490:117069
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7378f0373fb6d0ffe88cc3f26ed2ddfd
https://doi.org/10.1016/j.ijms.2023.117069
https://doi.org/10.1016/j.ijms.2023.117069
Publikováno v:
Bibechana (2020)
Antioxidant activity of quercetin (1) and its derivatives (2-15) was evaluated by using DPPH assay and IC50 values were calculated. Dihedral angles α of C3-C2-C1’-C6’ chain and β of O1-C2-C-1’-C2’ chain between AC and B rings of these flavo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c208b28aba2e1440ec3ef798a67f496
https://doaj.org/article/57869978b2c64455b484424befc442b9
https://doaj.org/article/57869978b2c64455b484424befc442b9
Publikováno v:
Organic Letters. 19:2182-2185
Four limonoids, triconoids A-C (1-3) possessing a new rearranged mexicanolide skeleton and triconoid D (4) furnishing a new rearranged 1,2-seco-phragmalin skeleton, were isolated from the Nepalese plant Trichilia connaroides. Two rearranged limonoid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c331d2cb18873156321de1e13848f505
https://doi.org/10.1021/acs.orglett.7b00873
https://doi.org/10.1021/acs.orglett.7b00873
Publikováno v:
Organic Letters. 18:1202-1205
Chemical investigation into the alkaloidal constituents of the Nepalese Daphniphyllum himalense has returned two new compounds, himalensines A (1) and B (2), with unprecedented carbon skeletons. Structures of the two alkaloids have been characterized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afdbfb3bccb12c2f90b1709943d120da
https://doi.org/10.1021/acs.orglett.6b00362
https://doi.org/10.1021/acs.orglett.6b00362
Publikováno v:
RSC Advances. 6:44402-44409
Nine new Daphniphyllum alkaloids (1–9) and 16 biosynthetically related known ones were obtained during the phytochemical investigation into a Nepalese plant, Daphniphyllum himalense. Structures were assigned to these compounds based on careful spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5597c7c4478c4265ed5c7bbacfedb4c
https://doi.org/10.1039/c6ra06420e
https://doi.org/10.1039/c6ra06420e
Publikováno v:
Moscow University Chemistry Bulletin. 68:293-297
The crude ethanolic extract of the Nepalese sandalwood Osyris wightiana Wall. ex Wight, was analyzed for its bioactive chemical constituents by chromatographic and spectroscopic methods. Phenyl propanoid, benzyl alcohol, iridoid and megastiigmanes, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::726b16b8c1d7f65d9c99b6de6fce4b08
https://doi.org/10.3103/s0027131413060047
https://doi.org/10.3103/s0027131413060047
Publikováno v:
Journal of Nepal Chemical Society. 28:24-28
The crude ethanolic extract of the Nepalese sandal wood, Osyris wightiana Wall ex Wight, was investigated for phytochemical constituents by chromatographic and spectroscopic techniques. The lignans were the first time reported from the genus Osyris.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd0bde681a86e4b651213bed209655e2
https://doi.org/10.3126/jncs.v28i0.8037
https://doi.org/10.3126/jncs.v28i0.8037