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[求助]
英譯漢幾句化學(xué)反應(yīng)的描述
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This side reaction is minimized by keeping the amount of water in the reaction mixture to a minimum, and also by using a healthy excess of methylamine. This scheme of things encourages the 1 to tie itself up with methylamine to form the Schiff s base, rather than float around freely in solution where it could be reduced by the aluminum |
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【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
RXMCDM: 金幣+1, 多謝應(yīng)助！ 2014-03-22 23:05:53
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飄落江南: 金幣+10, ★★★很有幫助 2014-03-23 01:19:56
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This side reaction is minimized by keeping the amount of water in the reaction mixture to a minimum, and also by using a healthy excess of methylamine. This scheme of things encourages the 1 to tie itself up with methylamine to form the Schiff s base, rather than float around freely in solution where it could be reduced by the aluminum. 保持反應(yīng)體系中水的量盡可能少或加入過量的甲胺, 就能最大限度抑制該副反應(yīng). 這樣可使 1 通過與甲胺形成希夫堿被束縛, 而非在溶液中游離并可能被鋁還原掉. |
2樓2014-03-22 18:16:10
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