CAS: 89-69-0; 2,4,5-Trichloronitrobenzene

上下游产品

CAS号120-82-1 1,2,4-三氯苯 | CAS号7732-18-5 水 | CAS号636-30-6 2,4,5-三氯苯胺 | CAS号88-73-3 邻氯硝基苯 | CAS号611-06-3 2,4-二氯硝基苯 | CAS号99-54-7 1,2-二氯-4-硝基苯 | CAS号3013-86-3 Benzenamine,5-c... | CAS号89-61-2 2,5-二氯硝基苯 | CAS号7697-37-2 硝酸 | CAS号6627-34-5 2,5-二氯-4-硝基苯胺 | CAS号107342-18-7 4,5-dichloro-N-... | CAS号372-18-9 1,3-二氟苯 | CAS号367-25-9 2,4-二氟苯胺 | CAS号39224-65-2 2-硝基-4,5二氯苯酚 | CAS号2678-21-9 氯硝散 | CAS号99-54-7 1,2-二氯-4-硝基苯 | CAS号97-50-7 5-氯-2,4-二甲氧基苯胺 | CAS号95-76-1 3,4-二氯苯胺 | CAS号7494-45-3 4,5-二氯-2-硝基甲苯 | CAS号7149-76-0 1,4-二氯-2-甲基-5-硝基苯

三氯苯置于硫酸,Potassium Nitrate,Sodium Hydroxide体系中,用 水 作为反应溶剂,化学反应 3.0H,以96%的收率获得产物2,4,5-三氯硝基苯
参考文献:一种新颖的双(频哪醇)双硼硼酸酯介导的n-o键脱氧途径,反应生成c6苯并三唑基嘌呤嘌呤核苷衍生物†
标题:一种新颖的双(频哪醇)双硼硼酸酯介导的n-o键脱氧途径,反应生成c6苯并三唑基嘌呤嘌呤核苷衍生物†
摘要:叔丁基二甲基甲硅烷基保护的肌苷,2'-脱氧肌苷,鸟苷,2'-脱氧鸟苷和2-苯基肌苷中的酰胺键与市售的肽偶联剂(苯并三唑-1 H-酰氧基)三(二甲基氨基phosph)六氟磷酸酯(bop)的反应),(6-氯-苯并三唑-1 H-酰氧基)三吡咯烷基sp六氟磷酸酯(pyclock)和(7-氮杂苯并三唑-1 H-酰氧基)六吡咯烷酮六氟磷酸酯(pyaop)得到相应的o 6-(苯并三唑-1-基)核苷含有c-o-n键的类似物.暴露于双(频哪醇)二硼和碱中时,O 6-(苯并三唑-1-基)和o 6分别从bop和pyclock获得的-(6-氯苯并三唑-1-基)嘌呤核苷衍生物进行了n-O键还原和c-N键形成,从而形成了相应的c6苯并三唑基嘌呤核苷类似物.相反,7-氮杂苯并三唑基氧嘌呤嘌呤核苷衍生物没有进行有效的脱氧,而是给出了不对称的核苷二聚体.这与关于1-羟基-1 H-4-氮杂和1-羟基-1 H-7-氮杂苯并
DOI:10.1039/c6Ob01170E

专利信息

专利号:CN-101658788-A
优先权日:2009-09-24
标 题:A catalyst for efficient catalytic hydrogenation of halogenated aromatic nitro compounds and green synthesis of halogenated aromatic amines and its preparation method

专利号:CN-101658788-B
优先权日:2009-09-24
标 题 :A catalyst for efficient catalytic hydrogenation of halogenated aromatic nitro compounds and green synthesis of halogenated aromatic amines and its preparation method

专利号:DE-69202005-T2
优先权日:1991-06-24
标 题:Process for the synthesis of symmetrical N, N'-disubstituted aromatic ureas.

专利号:US-5198582-A
优先权日:1989-11-02
标 题 :Process for preparing symmetric N,N'-disubstituted aromatic urea
发明人：OH JAE S; LEE SANG M
权利人:LUCKY LTD
摘要:A process for preparing N,N'-disubstituted urea derivatives of the following formula (I) ##STR1## wherein Ar represents an unsubstituted aromatic radical or an aromatic radical substituted with a halogen atom, an alkyl group, or an alkoxy group, which comprises reacting an aromatic mono-nitro compound, an aromatic primary amine, and synthesis gas in the presence of a catalyst consisting essentially of a divalent palladium compound as a main catalyst component and an ammonium or a phosphonium salt containing halogen atom as a co-catalyst component, and a non-polar solvent.

专利号:EP-0520130-B1
优先权日:1991-06-24
标题:Process for preparing symmetric N, N'-disubstituted aromatic urea
发明人：OH JAE SEUNG; LEE SANG MOO
权利人:LUCKY LTD
摘要:Disclosed herein is an improved process for preparing N,N' -disubstituted urea derivatives of the following formula(I) wherein Ar represents an aromatic radical optionally substituted with a halogen, alkyl or alkoxy group, which comprises reacting an aromatic mononitro compound, an aromatic primary amine and synthesis gas in the presence of a catalyst consisting essentially of a divalent palladium compound as a main catalyst component and an ammonium or phosphonium salt containing a halogen atom as a co-catalyst component with or without a solvent.

专利号:CN-119059987-A
优先权日:2023-06-01
标题:Flumioxazin Synthesis method of intermediate