NOVELTY - An anti-parkinsonism medicine intermediate (S),2-6-diamido-4,5,6,7-tetrahydro-benzothiazole is synthesized by mixing 4-acylamino cyclohexanol, 8acetone and water; stirring, cooling, adding mixture of (2,2,6,6-tetramethylpiperidin-1-yl)oxidanyl and 1,3-dibromo-5,5-dimethylhydantoin, reacting , filtering, and decompressing to recycle acetone; adding di-acid ester re-crystallizing agent, cyclohexanone and 1,3-dibromo-5,5-dimethylhydantoin; mixing at room temperature, heating, adding thiourea, mixing, reflux heating while stirring, and decompressing to recycle di-acid ester.    USE - Method of synthesizing an anti-parkinsonism medicine intermediate (S),2-6-diamido-4,5,6,7-tetrahydro-benzothiazole (claimed).    ADVANTAGE - The method obtains product having good quality, and is short, safe, easy and environment-friendly.    DETAILED DESCRIPTION - An anti-parkinsonism medicine intermediate (S),2-6-diamido-4,5,6,7-tetrahydro-benzothiazole is synthesized by:    (A) mixing 100 g 4-acylamino cyclohexanol, 800 ml acetone and 200 ml water;    (B) stirring, cooling, adding 20 g mixture of (2,2,6,6-tetramethylpiperidin-1-yl)oxidanyl and 1,3-dibromo-5,5-dimethylhydantoin, reacting at 30 degrees C for 6 hours, filtering, and decompressing to recycle acetone;    (C) adding 30 g di-acid ester re-crystallizing agent, 450 ml cyclohexanone, and 55 g 1,3-dibromo-5,5-dimethylhydantoin;    (D) mixing at room temperature at room temperature, heating at 40-50 degrees C, adding 35 g thiourea, mixing, reflux heating while stirring for 5 hours, decompressing to recycle di-acid ester, adding 300 ml water, mixing, adding concentrated sulfuric acid to adjust pH value to 2, adding 30% sodium hydroxide, reflux heating for 3 hours, filtering, and vacuum drying at 60 degrees C for 1 hour; and    (E) mixing 35 g dried product and 10-12 ml water, heating at 70-80 degrees C, adding L(+)-tartaric acid solution, heating at 70-80 degrees C for 12 hours, cooling to 0-5 degrees C for 2 hours, filtering, washing the filter cake with diluted hydrochloric acid solution, adjusting pH value of the filter cake by adding 30% alkali solution, stirring at 0-5 degrees C for 2-3 hours, filtering, and vacuum drying the filter cake.