成都专班20192022英语周报答案

(1)乙苯(2分)碳碳双键、羰基(或酮基)(2分)(2)NaOH醇溶液、加热(2分)(3)还原反应(1分)加成反应(1分)+>-COCI-AlICk+BC(2分)(5)4(2分)(6)CH- CHCOOH SOCh, CH.-CHCoCl3分)【解析】(1)由合成路线可知A的化学名称为乙苯中所含官能团的名称为碳碳双键和基(或酮基)(2)反应②是氯原子转变为碳碳双键的过程需要加入的试剂和条件分别为NaOH醇溶液、加热(3)反应④的反应类型为还原反应,反应⑤的反应类型为加成反应(4)反应③的化学方程式为+>COCI.(5)苯环上六个取代基分两种情况,第一种情况是含5个甲基和】个一 CH, COOH,只有一种结构;另一种情况为4个甲基、1个乙基和1个羧基,包含了基和乙基的邻间、对三种况;所以满足条件的G的同分异构体有4种。(6)丙烯酸(CH2= CHCOOH先发生已知 RCOOH+SOa,→RCOC反应生成C= CHiCO,后与苯发生反应生成再被还原为最后与如成即可得到日标产合成路线为H- CHCOOH SOO,CH+H

书面表达One possible version:NOTICEA sports meeting will be held in the playground of our school from next Thursday to FridayAs you know, the pressure of study is very heavy now, especially for those senior 3. So the purpose of the sports meeting is to letevery student get relaxed, as a result of which we students can live happily and heal thilyEveryone is welcome to take part in it. Those who perform excellently at the sports meeting will get prizes. But don' t take theresults so serously because taking part is more important than the result. Good luck to everyone!

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