Chiral squaramide-catalyzed asymmetric synthesis of pyranones and pyranonaphthoquinones via cascade reactions of 1, 3-dicarbonyls with Morita–Baylis–Hillman …
DK Nair, RFS Menna-Barreto… - Chemical …, 2014 - pubs.rsc.org
Cascade reactions of 1, 3-dicarbonyls with Morita–Baylis–Hillman acetates of nitroalkenes
using a quinine derived chiral squaramide organocatalyst led to the formation of pyranones …
using a quinine derived chiral squaramide organocatalyst led to the formation of pyranones …
Cytotoxicity of lapachol, β-lapachone and related synthetic 1, 4-naphthoquinones against oesophageal cancer cells
SN Sunassee, CGL Veale… - European Journal of …, 2013 - Elsevier
Naphthoquinones have been found to have a wide range of biological activities, including
cytotoxicity to cancer cells. The secondary metabolites lapachol, α-and β-lapachone and a …
cytotoxicity to cancer cells. The secondary metabolites lapachol, α-and β-lapachone and a …
Highly enantioselective synthesis of naphthoquinones and pyranonaphthoquinones catalyzed by bifunctional chiral bis-squaramides
A variety of enantioenriched naphthoquinones have been synthesized in high yields and
excellent enantioselectivities (up to> 99% ee) using a bifunctional chiral bis-squaramide …
excellent enantioselectivities (up to> 99% ee) using a bifunctional chiral bis-squaramide …
Synthesis of Biologically Active (−)-Dehydroiso-β-lapachone and the Determination of Its Absolute Configuration
T Kimachi, E Torii, Y Kobayashi, M Doe… - Chemical and …, 2011 - jstage.jst.go.jp
Synthesis of dehydoriso-b-lapachone (1) in both racemic and enantioenriched forms is
achieved starting from reduced naphthoquinone equivalents. As for the synthesis of …
achieved starting from reduced naphthoquinone equivalents. As for the synthesis of …
Natural furano naphtoquinones from lapachol: Hydroxyiso-β-lapachone, stenocarpoquinone-B and avicequinone-C
MR Ribeiro, PP de Souza… - Letters in Organic …, 2011 - ingentaconnect.com
This work describes cheap and simple methods to obtain biological active furano
naphthoquinones in good yields. Hydroxyiso-β-lapachone (3) was obtained in 61% yield …
naphthoquinones in good yields. Hydroxyiso-β-lapachone (3) was obtained in 61% yield …
壹, 以水相反應合成萘醌衍生物貳, 利用森田-貝里斯-希爾曼產物合成(Z)-6 氫-苯並[7, 8] 硫㖕並[4, 3-b] 喹啉與其衍生物
鍾騰輝 - 臺灣師範大學化學系學位論文, 2018 - airitilibrary.com
本論文分為兩個部份, 每個部分各自獨立, 包括前言, 研究目標, 實驗結果與討論, 以及結論.
第一部份是以指甲花醌與β-硝基苯乙烯在以四丁基溴化銨作為相轉移催化劑的條件下 …
第一部份是以指甲花醌與β-硝基苯乙烯在以四丁基溴化銨作為相轉移催化劑的條件下 …
Facile Synthesis of Naphtha-quinoxaline Derivatives from β-lapachone Using Graphene Oxide as Catalyst
P Vyas, BD Wadhwani, RS Rao… - Current Organic …, 2020 - ingentaconnect.com
Objective: To develop efficient method for the synthesis of naphtha-quinoxaline derivatives
via the reaction of β-lapachone with various 1, 2-diamines. Methods: A mixture of β …
via the reaction of β-lapachone with various 1, 2-diamines. Methods: A mixture of β …