نتایج جستجو برای: 1 hydroxy 2 1 methoxymethyl 9

تعداد نتایج: 4117145  

Journal: :journal of sciences islamic republic of iran 0

an efficient synthesis of the 1,l'-dihydroxy-2,2'-(thiodimethy1ene)bis-9(10h)- anthrone (5) is described. reaction of 1 -methoxy-2-(bromomethy1)-9,loanthraquinone (1) with excess sodium sulfide in ethanol, demethylation to the corresponding hydroxy and subsequent selective reduction produced the title compound in high yield.

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Journal: :Journal of Asian natural products research 2007
Xu-Juan Yang Man-Sau Wong Nai-Li Wang Sun-Chi Chan Xin-Sheng Yao

Three new lignans, sambucunol A (8) ((+)-erythro-1-(4-hydroxy-3-methoxyphenyl)-2-[4-(4-hydroxy-3-methoxycinnamoyloxypropanyl)-2-hydroxyphenoxy]-1, 3-propanediol), sambucunol B (9) ((+)-threo-1-(4-hydroxyl-3-methoxyphenyl)-2-[4-(4-hydroxy-3-methoxy-cinnamoyloxy propanyl)-2-hydroxyphenoxy]-1, 3-propanediol) and buddlenol G (10) (2-{4-[2, 3-dihydro-3-hydroxymethyl-7-hydroxy-5-(4-hydroxy-3-methoxyc...

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Journal: :Acta Crystallographica Section E Structure Reports Online 2009

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