An efficient and highly regioselective iron(III)-catalyzed Friedel-Crafts-type arylation of spiro-epoxyoxindoles with phenols was developed for rapid access to 3-(3-indolyl)-oxindole-3-methanols, which could be further elaborated into benzofuranyl-spirooxindoles under Mitsunobu conditions. When
The general method for the oxidative cyclization of arylacrylamides with dichloromethane or acetonitrile has been developed. The reactions described provide novel access to chloro- and cyano-containing oxindoles in good to moderate yields that allow the direct formation of a C-C bond and the
The activity of Uncaria tomentosa preparations on cancer cells was studied using in vitro and in vivo models. IC (50) values were calculated for preparations with different quantitative and qualitative oxindole alkaloid composition: B/W(37) --bark extracted in water at 37 °C, B/W(b)--bark extracted
Indolin-2-one (oxindole), (I), undergoes a Knoevenagel condensation with ferrocene-1,1'-dicarbaldehyde, (II), to afford the title complex 3,3'-[(E,E)-ferrocene-1,1'-diyldimethylidyne]diindolin-2-one dichloromethane disolvate, [Fe(C(28)H(20)N(2)O(2))]·2CH(2)Cl(2), (IV). The structure of (IV) contains
Heillasta gagnagrunnur lækningajurtanna sem studdur er af vísindum
Virkar á 55 tungumálum
Jurtalækningar studdir af vísindum
Jurtaviðurkenning eftir ímynd
Gagnvirkt GPS kort - merktu jurtir á staðsetningu (kemur fljótlega)
Lestu vísindarit sem tengjast leit þinni
Leitaðu að lækningajurtum eftir áhrifum þeirra
Skipuleggðu áhugamál þitt og vertu vakandi með fréttarannsóknum, klínískum rannsóknum og einkaleyfum
Sláðu inn einkenni eða sjúkdóm og lestu um jurtir sem gætu hjálpað, sláðu jurt og sjáðu sjúkdóma og einkenni sem hún er notuð við. * Allar upplýsingar eru byggðar á birtum vísindarannsóknum