Döhler
Anita Döhler, Mettmann DE
Patent application number | Description | Published |
---|---|---|
20120094603 | Device and method for contactless short range communication - The subject innovation relates to a device for contactless short range communication. An exemplary device comprises a contactless communication module enabled for contactless short range communication with an external target. A processor of the device is configured to execute at least one contactless application. The exemplary device includes a smart card external to the processor and connected to the contactless communication module. The smart card provides an interface used by the contactless application to access functions of the contactless communication module via the smart card. | 04-19-2012 |
Thomas Döhler, Weimar DE
Patent application number | Description | Published |
---|---|---|
20100298585 | METHOD FOR SYNTHESIS OF DIENOGEST FROM ESTRONE-3-METHYLETHER - A method for the synthesis of dienogest from 3-methoxy-estra-1,3,5-trien-17-one includes the steps of a) reacting 3-methoxy-estra-1,3,5-trien-17-one with alcohol in the presence of an acid in an organic solvent to form 3-methoxy-17,17-dialkoxy-estra-1,3,5-triene; b) subjecting the product of step a) to partial reduction by reaction with alkali metal in liquid ammonia; c) treating the product of step b) with mild acid; d) reacting the product of step c) with cyanomethyl lithium; e) treating the product of step d) with oxalic acid; and f) treating the product of step e) with pyridinium tribromide in pyridine to yield dienogest. | 11-25-2010 |
Thomas Döhler, Weimar DE
Patent application number | Description | Published |
---|---|---|
20100298585 | METHOD FOR SYNTHESIS OF DIENOGEST FROM ESTRONE-3-METHYLETHER - A method for the synthesis of dienogest from 3-methoxy-estra-1,3,5-trien-17-one includes the steps of a) reacting 3-methoxy-estra-1,3,5-trien-17-one with alcohol in the presence of an acid in an organic solvent to form 3-methoxy-17,17-dialkoxy-estra-1,3,5-triene; b) subjecting the product of step a) to partial reduction by reaction with alkali metal in liquid ammonia; c) treating the product of step b) with mild acid; d) reacting the product of step c) with cyanomethyl lithium; e) treating the product of step d) with oxalic acid; and f) treating the product of step e) with pyridinium tribromide in pyridine to yield dienogest. | 11-25-2010 |