2,5-Dimethoxybenzaldehyde CAS 93-02-7
2,5-Dimethoxybenzaldehyde foda ne mai haske rawaya crystalline tare da nauyin kwayoyin halitta na 166.18 da kuma wurin tafasa na 146 ° C. Yana narkewa a cikin kaushi na halitta kamar ethanol da ether. Ana amfani da shi musamman azaman matsakaicin magunguna.
| ITEM | STANDARD |
| Bayyanar | Grey zuwa rawaya m |
| NMR | Bi |
| Tsafta | >98% |
| Wurin narkewa | 46-48 ° C (lit.) |
| Abun ciki na ruwa | <0.5% |
Baya ga kasancewa oxidized ko rage zuwa 2,5-dimethoxybenzoic acid, benzonitrile ko benzyl barasa, 2,5-dimethoxybenzaldehyde kanta yana da ƙimar aikace-aikacen musamman. Ta hanyar amsawa tare da abubuwa tare da nau'o'in ƙungiyoyi masu aiki daban-daban, ana iya samun kwayoyin kwayoyi tare da sassa daban-daban da tasiri daban-daban. Cutar Parkinson (PD) cuta ce ta gama gari, kuma manyan alamunta na asibiti sun haɗa da rawar jiki, taurin kai, matsalolin motsi, yanayin jiki da rikice-rikice na daidaituwar motsi. Ƙarin ci gaba kuma zai haifar da ganewa, fahimta, rashin ƙwaƙwalwar ajiya da kuma rashin hankali. A halin yanzu, maganin PD ya haɗa da maganin miyagun ƙwayoyi, maganin tiyata da kuma maganin kwayoyin halitta. A cikin maganin miyagun ƙwayoyi, an gano phenamidine yana da tasiri mai kyau a kan PD, tare da ƙananan guba da aminci mai kyau, da kuma kira na phenamidine yana buƙatar amfani da 2,5-dimethoxybenzaldehyde a matsayin kayan farawa.
Dangane da hanyar haɗin gwiwar da aka ruwaito a cikin wallafe-wallafen, 2,5-dimethoxybenzaldehyde an samo shi ne ta hanyar amsa 1,4-dimethoxybenzene tare da wakili na halitta. Abubuwan da aka tsara sun haɗa da (1) cakuda 1,1-dichloromethyl ether da titanium tetrachloride; (2) cakuda N, N-dimethylformamide da phosphorus oxychloride, cakuda N, N-dimethylformamide da oxalyl chloride; (3) cakuda N, N-dimethylformamide da thionyl chloride ko cakuda urotropine da magnesium chloride. Koyaya, waɗannan hanyoyin suna buƙatar amfani da babban adadin titanium tetrachloride, phosphorus oxychloride ko thionyl chloride. Wadannan reagents ne m da sauƙi bazu, da kuma babban adadin hydrochloric acid gas aka saki a lokacin da dauki, wanda ba shi da muhalli abokantaka da kuma yana da high bukatun ga aiki tsari.
An gabatar da wata sabuwar hanyar kira. Wannan hanya tana amfani da 1,4-dimethoxybenzene da formaldehyde azaman albarkatun ƙasa, kuma yana aiwatar da halayen haɗin kai na photooxidative a gaban iskar oxygen da mai kara kuzari a ƙarƙashin hasken shuɗi mai haske don haɗa 2,5-dimethoxybenzaldehyde daidai. Wannan hanya tana amfani da iskar oxygen ko iska a matsayin oxidant, baya samar da iskar acidic, kuma tana da alaƙa da muhalli. Bugu da ƙari, wannan hanyar tana amfani da cobalt mai arha azaman mai haɓakawa, wanda ke da ƙarancin farashi kuma ya dace da aikace-aikacen masana'antu.
25kgs/drum, 9tons/20'kwantena
25kgs/jakar, 20ton/20'kwantena
2,5-Dimethoxybenzaldehyde CAS 93-02-7
2,5-Dimethoxybenzaldehyde CAS 93-02-7
