1) 2,4,5-trimethoxy-a-bromo-acetophenone
2,4,5-三甲氧基-α-嗅代苯乙酮
2) 2,4,5-trimethoxy-α-chlor-acetophenone
2,4,5-三甲氧基-α-氯代苯乙酮
1.
Synthesis of 2,4,5-trimethoxy-α-chlor-acetophenone and 2,4,5-trimethoxy-α-bromo-acetophenone for lamellarins and their derivatives were achieved in a single step by Hoesch Reaction of 1,2,4-trimethoxybenzene with chloroacetonitrile and bromoacetonitrile.
本课题组首次详细报道了[4]通过氯乙腈来制备2,4,5-三甲氧基-α-氯代苯乙酮的方法,收率为82·3%。
3) p-Methoxy-α-bromoacetophenone
对甲氧基-α-溴代苯乙酮
4) 2-bromo-1-(4-methoxyphenyl)-ethanon
α-溴代-4-甲氧基苯乙酮
5) 5-trimethoxy-α-bromo-acetophenone
5-三甲氧基-α-溴代苯乙酮
1.
Synthesis of 2,4,5-trimethoxy-α-chlor-acetophenone and 2,4,5-trimethoxy-α-bromo-acetophenone for lamellarins and their derivatives were achieved in a single step by Hoesch Reaction of 1,2,4-trimethoxybenzene with chloroacetonitrile and bromoacetonitrile.
本文在此基础上经过实验改进,合成高纯度2,4,5-三甲氧基-α-氯代苯乙酮,最高收率可达到93·8%;同时采用类似方法合成了2,4,5-三甲氧基-α-溴代苯乙酮,最高收率。
6) 4-methoxy-α-[(3-methoxyphenyl)thio]acetophenone
4-甲氧基-α-[(3-甲氧基苯基)硫代]苯乙酮
补充资料:α-溴代间苯甲酰氧基苯乙酮
分子式:C15H11BrO3
分子量:319.15
CAS号:139-27-5
性质:暂无
制备方法:用苯乙酮以浓硝酸硝化,生成间硝基苯乙酮,然后还原得间氨基苯乙酮,进而以亚硝酸钠、硫酸重氮化并水解得间羟基苯乙酮。将后者以苯甲酰氯酰化并以溴素溴化制得该品。
用途:苯肾上腺素盐酸盐(苯福林)的中间体。
分子量:319.15
CAS号:139-27-5
性质:暂无
制备方法:用苯乙酮以浓硝酸硝化,生成间硝基苯乙酮,然后还原得间氨基苯乙酮,进而以亚硝酸钠、硫酸重氮化并水解得间羟基苯乙酮。将后者以苯甲酰氯酰化并以溴素溴化制得该品。
用途:苯肾上腺素盐酸盐(苯福林)的中间体。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条