friedel-crafts meaning in English

克拉夫茨

United kingdom manufacturer of organic intermediates . specialties include amination , bromination , cyanation , epichlorohydrin , friedel - crafts and thionyl chloride chemicals
-生产醋酸乙酯和醋酸丁酯等有机溶剂，产品用于医药香料染料涂料油墨等。
Jintan star chemical co . , ltd . is a professional fine chemical production enterprise which has rich experience in diazo reaction , friedel - crafts and reducing reaction
我公司是一家专业化、科研型化工生产企业，在重氮化反应、傅克反应、还原反应、缩合反应、霍夫曼反应等方面有丰富的经验。热忱欢迎您的光临指导！
Abstract : cetirizine hydrochloride was synthesized from chlorobenzene and benzoyl chloride by the friedel - crafts reaction ， reduction , and chlorination followed by condensation with piperizine , 2 - chloroethanol and sodium chloroacetate in turn in 28 . 2 % overall yield based on chlorobenzene
文摘:以氯苯和苯甲酰氯为起始原料，经付克反应、还原、氯化，再分别与哌嗪、氯乙醇、氯乙酸钠缩合，成盐制得盐酸西替利嗪，总收率为28 . 2 %