CAS: 95-76-1; 3,4-Dichloroaniline

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Benzyl N-(3,4-Dichlorophenyl)Carbamate置于甲醇,Sodium Tetrahydroborate,Nickel(II) Chloride Hexahydrate体系中,化学反应 0.25H,以89%的收率获得产物3,4-二氯苯胺
参考文献:Development Of A Novel Protocol For Chemoselective Deprotection Of N/o-Benzyloxycarbonyl (Cbz) At Ambient Temperature
标题:Development Of A Novel Protocol For Chemoselective Deprotection Of N/o-Benzyloxycarbonyl (Cbz) At Ambient Temperature
摘要:A Novel Protocol For The Deprotection Of N-Benzyloxycarbonyl And O-Benzyloxycarbonyl Groups By Nickel Boride Generated In Situ From Nabh4 And Nicl(2)6H(2)O In Methanol At Room Temperature Has Been Developed To Give The Corresponding Amines And Phenols. This Protocol Is Chemoselective As Groups Like Chloro,Bromo,Amide,Ester,Pyridine,And Tert-Butyloxycarbonyl Moiety Are Unaffected Under These Conditions. The Deprotection Has Also Been Validated In Gram Scale Reactions,To Establish The Wider Appropriateness Of This Protocol.
DOI:10.1007/s00706-018-2276-X

专利信息

专利号:US-4264775-A
优先权日:1976-10-27
标 题:Synthesis of β-aminostyrenes
发明人：WHITE WILLIAM A
权利人:LILLY CO ELI
摘要:A simple process for the preparation of beta -aminostyrenes proceeds from anilines by successively diazotizing, reacting with a vinyl ester, and reacting with a secondary amine without purification of the intermediate products. The compounds are reactive enamines useful in organic synthesis.

专利号:US-8778958-B2
优先权日:2008-07-10
标题 :Synthesis of metabolically stable agents for alcohol and drug abuse
发明人：CASHMAN JOHN R
权利人:CASHMAN JOHN R
摘要:The disclosed opioid-related compounds and pharmaceutical compositions thereof, are useful in a variety of applications relating to the modulation of receptors and receptor signaling within and outside the nervous system. For example, the compounds and compositions are useful in methods for the treatment of addictions and other CNS-related disorders. The disclosed compounds can be delivered or administered to a mammal including humans, alone in the form of a pharmaceutically acceptable salt or hydrolysable precursor thereof, or in the form of a pharmaceutical composition, wherein a therapeutically effective amount of a compound is mixed with suitable carriers or excipients.

专利号:US-5243032-A
优先权日:1989-06-22
标题:Preparation of azo pigments with low pcb content by coupling in the presence of olefins
发明人：RIEPER WOLFGANG
权利人:HOECHST AG
摘要:The production which is customary in practice of monoazo compounds based on dichloro- and trichloroanilines or disazo compounds of the chlorinated biphenyl series by conventional coupling methods meets with difficulties in that the resulting pigments are contaminated by traces of polychlorinated biphenyls. n According to the invention, it has now been found that by addition of water-soluble olefins of the type ##STR1## (R =H, alk or Oalk; X =--COOR 1 , --CONHR 2 or --NR 3 COR 4 ) n in the azo coupling, the side reactions which form PCBs can be decidedly suppressed during synthesis of the pigments.

专利号:US-4267355-A
优先权日:1975-11-05
标 题 :Production of herbicidally-active derivatives of alanine
发明人：SCOTT RICHARD M; ARMITAGE GEOFFREY D
权利人:SHELL OIL CO
摘要:Stereospecific synthesis of ##STR1## (R-configuration at C 2 ) by reaction of ##STR2## (S-configuration at C 2 ) with ##STR3## at elevated temperature in the presence of a base, e.g., R-(-)-(2-(N-benzoyl-3-chloro-4-fluoroanilino)propionic acid isopropylester) from S-(-)-isopropyl lactate mesylate and 3-chloro-4-fluoroaniline followed by benzoylation. The compounds are very active herbicides against broad-leafed weeds (R=H) or wild oats (R=(thio)benzoyl).

专利号:US-4897484-A
优先权日:1986-12-19
标题 :Process for the preparation of substituted pyridines
发明人：WEIS CLAUS D; SUTTER PETER
权利人:CIBA GEIGY CORP
摘要:A process is described for the preparation of compounds of the formula (1) in which R and X are as defined in claim 1. The compounds of the formula (1) are valuable intermediates in the synthesis of triarylmethane dyes and triarylmethanelactones.

专利号:WO-2012149093-A1
优先权日:2011-04-26
标 题 :2-guanidino-4-oxo-imidazoline derivatives as antimalarial agents, synthesis and methods of use thereof
发明人：LIN AI J; LIU XIANJUN; KOZAR MICHAEL P; O'NEIL MICHAEL T
权利人:US OF AMERICA AS REPRESENTED BY THE SECRETARY OF ARMY; LIN AI J; LIU XIANJUN; KOZAR MICHAEL P; O'NEIL MICHAEL T
摘要:The present invention relates to new 2-guanidino-4-oxo-imidazoline derivatives (deoxo-IZ), methods of making these compounds, compositions containing the same, and methods of using the same to prevent, treat, or inhibit malaria in a subject.