浙江化工
浙江化工
절강화공
ZHEJIANG CHEMICAL INDUSTRY
2012年
12期
22-23
,共2页
黄生建%张春雷%徐灿闯%汪文婷
黃生建%張春雷%徐燦闖%汪文婷
황생건%장춘뢰%서찬틈%왕문정
3,4-二甲基吡唑磷酸盐%3,4-二甲基吡唑%合成
3,4-二甲基吡唑燐痠鹽%3,4-二甲基吡唑%閤成
3,4-이갑기필서린산염%3,4-이갑기필서%합성
3,4-dimethylpyrazole phosphate%3,4-dimethylpyrazole%synthesis
以丁酮、多聚甲醛为原料,通过缩合经缩合、环合、脱氢、成盐四步反应来制备3,4-二甲基吡唑磷酸盐,含量99.2%,总收率89.6%。该工艺简便、生产成本低、收率高且适合工业化生产。
以丁酮、多聚甲醛為原料,通過縮閤經縮閤、環閤、脫氫、成鹽四步反應來製備3,4-二甲基吡唑燐痠鹽,含量99.2%,總收率89.6%。該工藝簡便、生產成本低、收率高且適閤工業化生產。
이정동、다취갑철위원료,통과축합경축합、배합、탈경、성염사보반응래제비3,4-이갑기필서린산염,함량99.2%,총수솔89.6%。해공예간편、생산성본저、수솔고차괄합공업화생산。
3,4-dimethylpyrazole phosphate was is synthesized from butanone and paraformaldehyde by condensation, eyelization, dehydrogenation, salification with a purity of 99.2% and an overall yield of 89.6%.The process is simple, low cost, high yield and suitable for industrial production.