in toluene
byproducts: Me3SiCl; under protective gas; reflux of solution (10 h);; evapn. (vacuo); extn. (n-hexane/CH2Cl2); residue was recrystd. (CH2Cl2); elem. anal.; extract contains mixture of two B-compounds; (11)B-NMR;;
参考文献
Einholz, Wolfgang; Frey, Gerhard; Haubold, Wolfgang
Zeitschrift fuer Naturforschung, B: Chemical Sciences, 1989 , vol. 44, # 1 p. 47 - 54
