64280-48-4Relevant academic research and scientific papers
Total Synthesis of a Xanthonolignoid, Kielcorin
Tanaka, Hitoshi,Ishihara, Masaya,Ichino, Kazuhiko,Ohiwa, Norihiro,Ito, Kazuo
, p. 1916 - 1918 (2007/10/02)
The reaction of 3-benzyloxy-4-hydroxy-2-methoxyxanthone with ethyl 2-bromo-3-(4-benzyloxy-3-methoxyphenyl)-3-oxopropionate in the presence of potassium tert-butoxide afforded the condensation product (8) which was converted to the debenzylation product (9
XANTHONOLIGNOIDS FROM KIELMEYERA CORIACEA
De M. Pinto, Madalena M.,Mesquita, Antonio A. L.,Gottlieb, Otto R.
, p. 2045 - 2048 (2007/10/02)
Key Word Index - Kielmeyera coriacea; Guttiferae; synthesis; kielcorin; cis-kielcorin; kielcorin B; xanthonolignoids. The synthesis of kielcorin and the tentative identification of kielcorin B (5-hydroxymethyl-6-guaiacyl-2,3:3',2',4'-methoxyxanthone-1,4-dioxane), isomeric xanthonolignoids of Kielmeyera coriacea are reported.
Synthesis of Kielcorin
Vishwakarma, R. A.,Kapil, R. S.,Popli, S. P.
, p. 1021 - 1023 (2007/10/02)
The synthesis of kielcorin, 2,3-dihydro-3-(4-hydroxy-3-methoxyphenyl)-2-hydroxymethyl-5-methoxy-7H-1,4-dioxinoxanthen-7-one (13) and desmethoxykielcorin (12), a model compound have been accomplished.The intermediate ethyl O-benzylvanilloyl bromoace
