作者查詢 / johnny28
作者 johnny28 在 PTT [ Chemistry ] 看板的留言(推文), 共14則
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4F推: 已寄出07/25 10:41
1F推: http://www.nmrdb.org/predictor/ 這網站或許有些幫助12/23 23:34
38F推: 推01/20 15:49
1F推:已寄出07/25 14:32
1F推:第九題我查到的o位pKa=2.16 m位3.47 p位3.41 苯甲酸4.1903/17 19:45
2F→:所以我認為是答案D才對吧 @@?03/17 19:46
3F推:第14題的D pyridine上N為sp2 piperidine上N為sp303/17 19:51
4F→:s%上升則酸性上升相對鹼性下降 所以D應該是錯的沒錯03/17 19:53
5F→:E的Gabriel synthesis剛查了wiki似乎就是做primary amine03/17 19:54
6F推:想請問各位大大對於13題Diels-Alder的看法 @@ 謝謝03/17 19:57
8F→:http://www.zirchrom.com/organic.htm 我在這網站看的03/17 19:58
3F推:應該I是S II是S III是R 所以答案B沒錯02/11 17:51
2F推:何老師不收的話那應該也只剩蘇老師了 @@a12/31 16:24
11F推:借轉謝謝01/28 20:52
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