R,= H, OCH,. OH X= Cl, Br (1); 9-methoxyellipticine (2); and 9-acetoxyellipticine (3) 6] with an equimolar amount of peracylated glycosyl halides (I) in aprotic polar solvents (eg, nitromethane, acetonitrile, etc.). 20 However, this method is not satisfactory due to low ...