CAS: 27143-07-3; Ethyl 2-Chloro-2-(2-(4-Methoxyphenyl)Hydrazono)Acetate

上下游产品

CAS号104-94-9 对甲氧基苯胺 | CAS号609-15-4 2-氯乙酰乙酸乙酯 | CAS号638-07-3 4-氯乙酰乙酸乙酯 | CAS号105-39-5 氯乙酸乙酯 | CAS号503614-91-3 1-(4-甲氧基苯基)-7-氧... | CAS号473927-64-9 6-(4-碘苯基)-1-(4-... | CAS号503614-92-4 1-(4-甲氧基苯基)-7-氧...

甲氧苯胺,2-氯乙酰乙酸乙酯置于盐酸,Sodium Nitrite,Sodium Acetate体系中,用 水,乙醇 用作溶剂,化学反应 4.0H,反应生成[(4-甲氧基苯基)肼基]氯乙酸乙酯
参考文献:合成1-芳基1,2,4-三唑衍生物的新方法
标题:合成1-芳基1,2,4-三唑衍生物的新方法
摘要:报道了一种新的方便的一步回收方法,用于合成1-芳基-5-氧代-4,5-二氢-1 H-1,2,4-三唑-3-羧酸乙酯.在氢氧化钾存在下,各种氯(2-芳基肼基亚乙基)乙基乙酯与噻唑烷-2,4-二酮反应,以中等至非常好的收率产生1-芳基-1,2,4-三唑衍生物.该程序经济,环保且易于执行. 1,2,4-三唑-重氮盐-开环-噻唑烷-2,4-二酮-杂环化
Doi:10.1055/s-0030-1260026

专利信息

专利号:US-7153960-B2
优先权日:2001-12-10
标 题:Synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones
发明人：ZHOU JIACHENG; OH LYNETTE M; MA PHILIP; LI HUI-YIN; CONFALONE PASQUALE
权利人:BRISTOL MYERS SQUIBB CO
摘要:A novel process and intermediates thereof for making 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones of the type shown below from appropriate phenyl hydrazines is described. n nThese compounds are useful as factor Xa inhibitors.

专利号:US-2003181466-A1
优先权日:2001-12-10
标 题:Synthesis of 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones

专利号:US-2005245566-A1
优先权日:2001-12-10
标 题:Synthesis of 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones

专利号:US-2007027186-A1
优先权日:2001-12-10
标 题:Synthesis of 4,5-dihydro-pyrazolo[3,4-c]pyrid-2-ones

专利号:US-6919451-B2
优先权日:2001-12-10
标 题:Synthesis of 4,5-dihydro-pyrazolo [3,4-c] pyrid-2-ones