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It can be easily seen that this Biginelli condensation conducted smoothly in the PEG1000-DAIL/toluene system and afforded DHPMs in exce-llent yields of 80%¨D95% within only 10¨D30 min. Both ace-toacetate and acetoacetone showed high activities. It is of great importance that many of the pharmacologically relevant subs-titution patterns on the aromatic ring could be introduced without any interruption in efficiency. ·¢×ÔСľ³æIOS¿Í»§¶Ë |
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It can be easily seen that this Biginelli condensation conducted smoothly in the PEG1000-DAIL/toluene system and afforded DHPMs in exce-llent yields of 80%¨D95% within only 10¨D30 min. ºÜÃ÷ÏÔ¿ÉÒÔ¿´µ½£¬±È¼ªÄÚÀûÀäÄýÔÚPEG1000-DAIL¼×±½ÌåϵÖÐ˳Àû½øÐУ¬Í¬Ê±Äܹ»ÔÚ10-30·ÖÖÓÄÚÌṩ¸ß²úÂÊ£¨80%¨D95% £©µÄ¶þÇâà×à¤Íª¡£ Both ace-toacetate and acetoacetone showed high activities. It is of great importance that many of the pharmacologically relevant subs-titution patterns on the aromatic ring could be introduced without any interruption in efficiency. ÒÒõ£ÒÒËáÑκÍÒÒõ£±ûͪ¶¼Õ¹ÏÖ³ö½Ï¸ßµÄ»îÐÔ¡£ÁíÍ⣬ÔÚЧ¹û²»´òÕÛµÄÇé¿öÏ£¬ÒýÈëÐí¶àÒ©ÀíÏà¹ØµÄ·¼»·È¡´úÐÍʽÊÇÊ®·ÖÖØÒªµÄ¡£ |
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