又是一个难查性质的物质？ 化学名: 4-nitrophenyl hydrogen carbonate cas登记号: 结构式: 分子式: c7h5no5 分子量: 183.1216 来源: ******************************************************************************* 合成情况： 目标产物： rwj-314313 合成路线: 合成方法：the compound has also been obtained by solid phase synthesis. attachment of (s)-3-hydroxypyrrolidine (vii) to p-nitrophenylcarbonate wang resin (vi) in the presence of diisopropylethylamine provided the resin bound pyrrolidinol (viii). coupling of (viii) with 3-bromo-2-chloro-5-hydroxypyridine (ii) under mitsunobu conditions gave resin (ix). further suzuki coupling of (ix) with 4-cyanophenylboronic acid (iv) afforded (x). the title compound was then cleaved from the resin (x) by treatment with trifluoroacetic acid. 参考：shank, r.; davis, c.; reiltz, a.; rivero, r.; lee, j.; discovery of novel pyridyl ethers as ligand for nicotinic acetylcholine receptor. 219th acs natl meet (march 26 2000, san francisco) 2000, abst medi 271 查看更多
大家帮忙看看这几个词用字这里是什么意思? 大写真难读啊！我理解里面出现的几个per都是根据、依照之意。补充几个： upstream of each elevation increase每个高度升高之处上游都应配备~~ pump baseplate drains installed per client standard 泵基础版排水系统依照用户标准安装（后面的pumps前应该有个逗号或者遗漏了什么？） high side，low side高压侧、低压侧查看更多
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