1) 2,3,5,6-tetrachloropyridine
2,3,5,6-四氯吡啶
1.
The yield of 2,3,5,6-tetrachloropyridine at lower temperature was taller than at higher temperature, but the catalyst was more deactivated at lower temperature because of parallel-side reactions.
以氯化锌为活性组分,活性炭为载体,通过气固催化氯化吡啶合成2,3,5,6-四氯吡啶。
2.
6% was prepared from 2,3,5,6-tetrachloropyridine and caustic sodium as raw material via High Pressure Autoclave.
以2,3,5,6-四氯吡啶、液碱为原料在高压釜中反应得到3,5,6-三氯吡啶醇钠,收率99。
3.
Starting from pentachloropyridine, intermediate product 2,3,5,6-tetrachloropyridine was prepared by reduction with zinc dust.
以五氯吡啶为原料,通过锌粉还原制备出中间产物2,3,5,6-四氯吡啶,再由2,3,5,6-四氯吡啶水解,制备出农药中间体3,5,6-三氯吡啶-2-酚。
2) 2,3,5,6-tetrachloro-4-methylsulfonylpyridine
2,3,5,6-四氯-4-甲磺酰基吡啶
3) 4-(methylsulfonyl)-2,3,5,6-tetrachloropyridine
2,3,5,6-四氯-4-(甲磺酰)吡啶
4) Pyridine-2,3,5,6-tetracarboxylic acid
吡啶-2,3,5,6-四甲酸
5) 2,3,5,6-tetraaminopyridinium
2,3,5,6-四氨基吡啶
1.
Copolymers containing pyridine rings are synthesized by the solution polycondensation of 3,3′-diaminobenzidine(DAB),2,3,5,6-tetraaminopyridinium(TAP) and 4,4′-dicarboxydiphenyl ether(DCDPE) with different proportions.
采用溶液缩聚法合成了不同摩尔比的3,3′-二氨基联苯二胺(DAB)、2,3,5,6-四氨基吡啶(TAP)盐酸盐和4,4′-二羧基二苯醚(DCDPE)的共聚物。
补充资料：2,3,5,6-四氯吡啶
分子式：C5HCl4N
分子量：216.88
CAS号：2402-79-1
性质：熔点90.5°C。沸点251.6°C。
分子量：216.88
CAS号：2402-79-1
性质：熔点90.5°C。沸点251.6°C。
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