染料与染色
染料與染色
염료여염색
DYESTUFF INDUSTRY
2011年
4期
41-42
,共2页
颜料黄%对苯二甲酸二甲酯%3-硝基-4-甲氧羰基苯甲酰氯%酰氯化%还原
顏料黃%對苯二甲痠二甲酯%3-硝基-4-甲氧羰基苯甲酰氯%酰氯化%還原
안료황%대분이갑산이갑지%3-초기-4-갑양탄기분갑선록%선록화%환원
pigment yellow%dimethyl terephthalate%3-nitro-4methoxycarbonylbenzoyl chloride%acyl chlorination%reduction
以对苯二甲酸二甲酯和2,5-二氯苯胺为原料,经溶剂硝化、水解、酰氯化、缩合、还原合成了2-氨基-4-((2,5-二氯苯基)氨甲酰基)苯甲酸甲酯(MMTDCA),反应总收率达65%。考察了不同催化剂、溶剂、反应温度、摩尔比等对反应的影响。目标产物结构经IR、1H-NMR表征。
以對苯二甲痠二甲酯和2,5-二氯苯胺為原料,經溶劑硝化、水解、酰氯化、縮閤、還原閤成瞭2-氨基-4-((2,5-二氯苯基)氨甲酰基)苯甲痠甲酯(MMTDCA),反應總收率達65%。攷察瞭不同催化劑、溶劑、反應溫度、摩爾比等對反應的影響。目標產物結構經IR、1H-NMR錶徵。
이대분이갑산이갑지화2,5-이록분알위원료,경용제초화、수해、선록화、축합、환원합성료2-안기-4-((2,5-이록분기)안갑선기)분갑산갑지(MMTDCA),반응총수솔체65%。고찰료불동최화제、용제、반응온도、마이비등대반응적영향。목표산물결구경IR、1H-NMR표정。
The methyl 2-amino-4-((2,5-dichlorophenyl)carbamoyl)benzoate(MMTDCA)was synthesized from dimethyl terephthalate and 2,5-dichloroaniline by nitration,hydrolyzation,acyl chlorination,condensation and reduction.The total yield of the title compound was more than 65%. The effects of catalysts,solvents,reaction temperature and ratio of reactants on the reaction were investigated and the structure of the product was characterized by IR and 1H-NMR spectra.