Zobrazeno 1 - 10
of 192
pro vyhledávání: '"Yurngdong Jahng"'
Publikováno v:
Arabian Journal of Chemistry, Vol 12, Iss 8, Pp 2356-2364 (2019)
A series of 8-(substituted)aryloxycaffeine were prepared from 8-bromocaffeine and (substituted)phenols by modified Ullmann reaction. In vitro antibacterial activity, inhibitory activity on topoisomerase II and pharmacological activities were evaluate
Externí odkaz:
https://doaj.org/article/e78139b2965e40e59f9e3fd24025ef1e
Publikováno v:
Molecules, Vol 25, Iss 24, p 5903 (2020)
Galeon, a natural cyclic-diarylheptanoid (CDH), which was first isolated from Myrica gale L., is known to have potent cytotoxicity against A549 cell lines, anti-tubercular activity against Mycobacterium tuberculosis H37Rv, chemo-preventive potential,
Externí odkaz:
https://doaj.org/article/27263bf4914c4bd6a34b715eb683c628
Publikováno v:
Molecules, Vol 20, Iss 6, Pp 10800-10821 (2015)
Rutaecarpine is a pentacyclic indolopyridoquinazolinone alkaloid found in Evodia rutaecarpa and other related herbs. It has a variety of intriguing biological properties, which continue to attract the academic and industrial interest. Studies on ruta
Externí odkaz:
https://doaj.org/article/b3016ad6325d426cb0f6ac413949ba97
Autor:
Moinul Karim, Yurngdong Jahng
Publikováno v:
Molecules, Vol 19, Iss 8, Pp 12842-12851 (2014)
The Friedländer reactions of acetylbenzenes and 2-acetylpyridine with 3-aminonaphthalene-2-carbaldehyde afforded the corresponding 2-phenylbenzo[g]quinoline and 2-(pyrid-2-yl)benzo[g]quinoline, respectively. The same reactions of 3-aminonaphthalene-
Externí odkaz:
https://doaj.org/article/81abbf1da26942f0a31cad6dca915013
Publikováno v:
Molecules, Vol 18, Iss 11, Pp 13680-13690 (2013)
A series of 9,9'-spirobifluorene-derived N-heterocycles were prepared by the reactions of 8,9-dihydrospiro(benzo[b]fluorene-11,9'-fluoren)-6(7H)-one and 8,8',9,9'-tetrahydro-11,11'-spirobi(benzo[b]fluorene)-6,6'(7H,7'H)-dione with a series of 2-amino
Externí odkaz:
https://doaj.org/article/982c1c7523074b648078ae452924f153
Publikováno v:
Molecules, Vol 17, Iss 1, Pp 571-583 (2012)
Solvent-free Claisen-Schmidt reactions of cycloalkanones with various substituted benzaldehydes (aryl aldehydes) using solid NaOH (20 mol%) and applying a grinding technique were studied. Quantitative yields (96–98%) of α,α-bis-(substituted-benzy
Externí odkaz:
https://doaj.org/article/9024dbaad3954f8b80052f31b054cb4b
Publikováno v:
Molecules, Vol 16, Iss 6, Pp 4861-4883 (2011)
Luotonins are alkaloids from the aerial parts of Peganum nigellastrum Bunge. that display three major skeleton types. Luotonins A, B, and E are pyrroloquinazolino-quinoline alkaloids, luotonins C and D are canthin-6-one alkaloids, and luotonin F is a
Externí odkaz:
https://doaj.org/article/0267f54ed62b4ce28973f2828c930ed7
Autor:
Yurngdong Jahng, Jae Gyu Park
Publikováno v:
Molecules, Vol 23, Iss 12, p 3107 (2018)
Diarylheptanoids are a family of plant secondary metabolites with a 7 carbon skeleton possessing two phenyl rings at the 1- and 7-positions. They can be subdivided into acyclic and cyclic diarylheptanoids where the latter are further divided into met
Externí odkaz:
https://doaj.org/article/ff5fa9a4e9a84f6696d4cb6142114e56
Autor:
Yurngdong Jahng, Eung-Seok Lee, Hyeon Wook Chang, Tae-Cheon Jeong, Byeong Seon Jeong, Jong-Keun Son, Seung Ho Lee
Publikováno v:
Molecules, Vol 13, Iss 2, Pp 272-300 (2008)
Rutaecarpine is an indolopyridoquinazolinone alkaloid isolated from Evodiarutaecarpa and related herbs, which has shown a variety of intriguing biological propertiessuch as anti-thrombotic, anticancer, anti-inflammatory and analgesic, anti-obesity an
Externí odkaz:
https://doaj.org/article/d59c70b04cba4f2db20e758ab3f783a1
Autor:
Moinul Karim, Yurngdong Jahng
Publikováno v:
Molecules, Vol 21, Iss 4, p 407 (2016)
A series of ethanodiazapolycenes were prepared in 87%–89% yields by Friedländer reactions of three o-aminoarenecarbaldehydes with bicyclo[2.2.2]octane-2,5-dione and their spectral, thermal, and structural properties were studied. Subsequent attemp
Externí odkaz:
https://doaj.org/article/c61109b09c4741e591a6389dd7bf37ec