Requiry 1: a method for extracting glycerol dichloride from glycerin acetate, which is characterized in that it includes a method from the reaction of glycerin acetic acid with hydrogen chloride to the formation of glycerol dichloride Extraction from glycerol and bromine, including the use of ion-exchange resin to link brominated glycerol with it. Claim 8: a method for preparing glycerol chloride,Its properties are: (a) treating 3 - [(cyclopentyl hydroxyphenyl) oxygen) - 1-methylpyridine in the form of isomer mixture (R, s).(S R)(S, S)(R R)1. Containing an acid designed to crystallize the required cholesterol (R, s)；(s, R) as an appropriate salt； (b) adding (R, s), (s, R) - 3 - [(cyclopentyl - hydroxyphenyl) oxygen] - 1-methylpyridinediol to the solvent or solvent mixture； (c) treating (b) the salt obtained through El Paso with alkali to produce (R, s) free radicals；(S, R) -3 - [(cyclopentyl-hydroxyphenyl acetyl) oxy] -1-methylpyrrolidine diasteroisomerically pure； (d) converting the free base to glycopyrronium chloride by reaction with methyl chloride. Claim 13: A method for the preparation of diastereomerically pure glycopyrronium chloride, characterized in that it comprises the steps of dissolving glycopyrronium chloride in hot acetonitrile and then cooling the solution to allow crystallization of diastereomerically pure glycopyrronium chloride.Reivindicación 1: Un método para la preparación de cloruro de glicopirronio a partir de acetato de glicopirronio, caracterizado porque comprende el paso de hacer reaccionar el acetato de glicopirronio con cloruro de hidrógeno para generar cloruro de glicopirronio.Reivindicación 5: Un método para la preparación de cloruro de glicopirronio a partir de bromuro de glicopirronio, caracterizado porque comprende la puesta en contacto de bromuro de glicopirronio con una resina de intercambio iónico. Reivindicación 8: Un método para la preparación de cloruro de glicopirronio, caracterizado porque comprende los siguientes pasos: (a)
