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zzgyb(½ð±Ò+1):Â¥Ö÷·¢Ìû24СʱÄڻشðÎÊÌâ½±Àø£¡ 2010-10-27 08:33:12
zzgyb(½ð±Ò+1):Â¥Ö÷·¢Ìû24СʱÄڻشðÎÊÌâ½±Àø£¡ 2010-10-27 08:33:12
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2Â¥2010-10-18 13:10:05
icychenhao
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xudr88(½ð±Ò+5, ²©Ñ§EPI+1): 2010-10-18 14:42:07
zzgyb(½ð±Ò+1):Â¥Ö÷·¢Ìû24СʱÄڻشðÎÊÌâ½±Àø£¡ 2010-10-27 08:33:17
xudr88(½ð±Ò+5, ²©Ñ§EPI+1): 2010-10-18 14:42:07
zzgyb(½ð±Ò+1):Â¥Ö÷·¢Ìû24СʱÄڻشðÎÊÌâ½±Àø£¡ 2010-10-27 08:33:17
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The obtained N-protected compound (485 mg, 1 mmol) was hydrogenated (3 atm) by 10 mol % Pd/C (30 mg) in dry methanol (30 mL) for 5 h. After that the reaction mixture was filtered on Celite to remove the Pd/C, and then evaporated to dryness to give a crude product, which was purified by column chromatography (silica gel), eluting with EtOAc/Hexane (4:1) solvent mixture, to give the pure catalyst 6 (Yield: 89%).ÕâÊÇL-¸¬°±õ£°·-Cbz Íѱ£»¤²½Ö裬ÎÒ×ö¹ý |

3Â¥2010-10-18 13:15:53














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