2 AMINO 5 NITROPYRIDINE 5 NITRO PYRIDIN 2 YLAMINE NSC23774 2 AMINO 5 NITROPYRIDINEFORSYNTHESIS 5 nitropyChemicalbookridine 2 aMine 2 AMino 5 nitropyridine 99 25GR 2 Amino 5 nitropyridine97 Methyl 4 fluoro 5 nitrobenzoate Baetsi

Joaloka e 'ngoe ea litsebi le barekisi ba China 2 AMINO 5 NITROPYRIDINE 5 NITRO PYRIDIN 2 YLAMINE NSC23774 2 AMINO 5 NITROPYRIDINEFORSYNTHESIS 5 nitropyChemicalbookridine 2 aMine 2 AMino 5 nitropyridine 99 25GR 2 Amino 5 nitropyridine97 Methyl 4 fluoro 5 nitrobenzoate, re ka fana ka lihlahisoa tsa boleng bo holimo. Reka setoko, theolelo, lipatlisiso le nts'etsopele, mekhoa e ikhethileng 2 AMINO 5 NITROPYRIDINE 5 NITRO PYRIDIN 2 YLAMINE NSC23774 2 AMINO 5 NITROPYRIDINEFORSYNTHESIS 5 nitropyChemicalbookridine 2 aMine 2 AMino 5 nitropyridine 99 25GR 2 Amino 5 nitropyridine97 Methyl 4 fluoro 5 nitrobenzoate ka theko e tlase femeng ea rona. Lihlahisoa tsohle tsa rona li entsoe China. Rea u amohela ho lihlahisoa tsa API tse rekisoang ka bongata.
View as  
 
  • 2-Amino-5-nitropyridine CAS 4214-76-0 e tsoa ho nitration ea 2-aminopyridine. Ka mocheso oa 50 ° C, 2-aminopyridine e ile ea eketsoa ho sulfuric acid, 'me ka mor'a moo, nitric acid e fuming e ile ea eketsoa ka ho theoha,' me mocheso ha oa ka oa feta 50 ° C. E futhumala ka 45°C bakeng sa 2h, 'me u tsose mocheso oa kamore bakeng sa 4h. Tharollo ea karabelo e ile ea tšeloa ka leqhoa le pshatlehileng, 'me pH e fetotsoe ho 6 ka ho eketsa metsi a ammonia ka tlase ho 5 ° C,' me likristale li ile tsa theoha. Sefa le ho omisa. Recrystallization ka metsi ho fumana liplatelete tse mosehla, li hlahisa 75%

 1 
Rea u amohela ho reka 2 AMINO 5 NITROPYRIDINE 5 NITRO PYRIDIN 2 YLAMINE NSC23774 2 AMINO 5 NITROPYRIDINEFORSYNTHESIS 5 nitropyChemicalbookridine 2 aMine 2 AMino 5 nitropyridine 99 25GR 2 Amino 5 nitropyridine97 Methyl 4 fluoro 5 nitrobenzoate femeng ea rona, re ba bang ba litsebi tsa 2 AMINO 5 NITROPYRIDINE 5 NITRO PYRIDIN 2 YLAMINE NSC23774 2 AMINO 5 NITROPYRIDINEFORSYNTHESIS 5 nitropyChemicalbookridine 2 aMine 2 AMino 5 nitropyridine 99 25GR 2 Amino 5 nitropyridine97 Methyl 4 fluoro 5 nitrobenzoate tsa baetsi le barekisi naheng ea China. ShanDong lumela Chemical PTE. LTD. Ke khoebo ea theknoloji e phahameng e kopanyang meriana, lipatlisiso tsa theknoloji ea lik'hemik'hale le nts'etsopele le li-intermediates tsa meriana. Re fana ka lihlahisoa tsa lik'hemik'hale lefats'eng lohle ho lik'hamphani tse fapaneng lefatšeng ka bophara, ho tloha mekhatlong e meholo ea machaba ho ea ho lik'hamphani tse nyenyane ka bomong.
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept