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3-BROMO-2-ETHOXYPYRIDINE CAS:57883-25-7
3-Bromo-2-ethoxypyridine ndi mankhwala achilengedwe okhala ndi mphete ya pyridine yokhala ndi bromine ndi ethoxy substituents pamalo enaake. Fomula yake ya molekyulu ndi C9H10BrN, zomwe zimapangitsa kuti ikhale yofunika kwambiri pakupanga kwachilengedwe. Kupezeka kwa atomu ya bromine kumawonjezera reactivity ya mankhwalawo, zomwe zimapangitsa kuti pakhale kusintha kwa mankhwala osiyanasiyana, kuphatikizapo kusintha kwa nucleophilic ndi coupling reactions. Nthawi zambiri imagwiritsidwa ntchito popanga mankhwala ndi agrochemicals chifukwa cha ntchito zake zosiyanasiyana zamoyo. Kumvetsetsa makhalidwe ndi reactivity ya 3-bromo-2-ethoxypyridine kungathandize kupanga mankhwala atsopano omwe angakhale ndi ntchito zochiritsira.
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2-Chloro-3-bromo-5-aminopyridine CAS:130284-53-6
2-Chloro-3-bromo-5-aminopyridine ndi mankhwala achilengedwe omwe amadziwika ndi formula ya molekyulu C5H4BrClN2. Ili ndi mphete ya pyridine yokhala ndi atomu ya chlorine pamalo a 2, atomu ya bromine pamalo a 3, ndi gulu la amino pamalo a 5. Kapangidwe kake ka zinthu zosinthira izi kumapereka mphamvu zapadera zamagetsi ku mankhwalawa, zomwe zimapangitsa kuti akhale pakati pa mankhwala opangira. Kapangidwe kake kamalola kusintha kwa mankhwala osiyanasiyana, kuphatikizapo kusintha kwa nucleophilic ndi ma coupling reactions, zomwe ndizofunikira kwambiri pakupanga mankhwala ndi agrochemical. Mankhwalawa ndi ofunikira kwambiri pakufufuza komwe cholinga chake ndi kupeza mamolekyu atsopano a bioactive ndi zinthu zapamwamba.
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2-CHLORO-3-FLUORO-4-FORMYLPYRIDINE CAS:329794-28-7
2-Chloro-3-fluoro-4-formylpyridine ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H4ClFNO. Ili ndi mphete ya pyridine yomwe yasinthidwa ndi atomu ya chlorine pamalo a 2, atomu ya fluorine pamalo a 3, ndi gulu la formyl (-CHO) pamalo a 4. Kapangidwe kapadera kameneka kamapereka mphamvu zamagetsi zomwe zimawonjezera reactivity yake. Kupezeka kwa ma halogen kumawonjezera electrophilicity, zomwe zimapangitsa kuti ikhale yoyenera kusintha kwa nucleophilic ndi kusintha kwina kwa mankhwala. Kawirikawiri imagwiritsidwa ntchito mu chemistry yamankhwala, 2-chloro-3-fluoro-4-formylpyridine imagwira ntchito ngati chothandizira popanga mankhwala osiyanasiyana a bioactive ndi mankhwala atsopano.
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3-Iodopyridin-2-amine CAS:104830-06-0
3-Iodopyridin-2-amine ndi mankhwala achilengedwe omwe amadziwika ndi formula ya molekyulu C5H5IN2. Molekyulu iyi ili ndi mphete ya pyridine yokhala ndi cholowa m'malo mwa iodide pamalo a 3 ndi gulu la amino pamalo a 2. Kupezeka kwa ayodini kumabweretsa mphamvu yofunikira yamagetsi, pomwe gulu la amino limawonjezera mphamvu ya nucleophilicity, zomwe zimapangitsa kuti mankhwala azitha kugwira ntchito mwapadera. Monga gawo losinthasintha, 3-iodopyridin-2-amine imagwira ntchito yofunika kwambiri pakupanga zinthu zachilengedwe, makamaka m'makampani opanga mankhwala, komwe ingagwiritsidwe ntchito popanga mankhwala osiyanasiyana. Kapangidwe kake kosiyana kamathandizanso kuti ikhale yofunikira pa sayansi ya zinthu popanga zinthu zogwirira ntchito.
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3-Amino-2-picoline CAS:3430-10-2
3-Amino-2-picoline ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C6H8N2. Chimapangidwa ndi mphete ya pyridine yokhala ndi gulu la amino pamalo a 3 ndi gulu la methyl pamalo a 2. Kapangidwe kake kapadera kameneka kamakhudza momwe mankhwala ake amagwirira ntchito, zomwe zimapangitsa kuti ikhale pakati pa kapangidwe ka organic. Gulu la amino limapereka mawonekedwe a nucleophilic, pomwe kukhalapo kwa gulu la methyl kumatha kukhudza kufalikira kwamagetsi, ndikuwonjezera reactivity ya chinthucho. 3-Amino-2-picoline imapeza ntchito mu mankhwala, agrochemicals, ndi sayansi ya zinthu, komwe imagwira ntchito ngati maziko opangira mankhwala ogwiritsira ntchito zinthu zachilengedwe komanso zinthu zogwira ntchito.
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2-CHLORO-5-FLUORO-3-HYDROXYPYRIDINE CAS:884494-35-3
2-Chloro-5-fluoro-3-hydroxypyridine ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C6H5ClFNO. Chili ndi mphete ya pyridine yomwe yasinthidwa ndi atomu ya chlorine pamalo a 2, atomu ya fluorine pamalo a 5, ndi gulu la hydroxyl (-OH) pamalo a 3. Kapangidwe kake kapadera kosinthira kamakhudza mawonekedwe ake amagetsi, kukulitsa reactivity ndikupangitsa kuti ikhale yoyenera kusintha kwa mankhwala osiyanasiyana. Kupezeka kwa ma halogen kumawonjezera mphamvu zamagetsi, pomwe gulu la hydroxyl limalola kuyanjana kwa hydrogen. Kawirikawiri imagwiritsidwa ntchito mu chemistry yamankhwala, 2-chloro-5-fluoro-3-hydroxypyridine imagwira ntchito ngati chothandizira kwambiri popanga mankhwala osiyanasiyana a bioactive.
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3-Amino-5-bromo-2-chloropyridine CAS:588729-99-1
3-Amino-5-bromo-2-chloropyridine ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C5H4BrClN2. Ili ndi mphete ya pyridine yomwe yasinthidwa ndi gulu la amino pamalo a 3, gulu la bromo pamalo a 5, ndi gulu la chloro pamalo a 2. Kapangidwe kapadera kameneka kamapatsa mankhwalawo mphamvu zosiyanasiyana zamagetsi, zomwe zimapangitsa kuti akhale pakati pa mankhwala opangidwa. Kupezeka kwa magulu onse awiri a ma elekitironi (bromo ndi chloro) ndi magulu a ma elekitironi (amino) kumakhudza momwe amagwirira ntchito m'njira zosiyanasiyana za mankhwala, makamaka pakupeza mankhwala ndi chitukuko cha agrochemical, zomwe zikuwonetsa kufunika kwake mu kafukufuku wa mankhwala ndi organic chemistry.
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3,5-DICHLOROISONICOTINIC ACID CAS:13958-93-5
3,5-Dichoroisonicotinic acid ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H3Cl2N O2. Ili ndi mphete ya pyridine yokhala ndi ntchito ya carboxylic acid, yokhala ndi zinthu ziwiri zolowa m'malo mwa chlorine pamalo a 3 ndi 5. Mankhwalawa ndi ofunikira kwambiri popanga mankhwala achilengedwe komanso mankhwala, ndipo amagwira ntchito ngati njira yofunika kwambiri popanga mankhwala osiyanasiyana ndi mankhwala a agrochemicals. Kupezeka kwa dichlorination kumawonjezera reactivity yake, zomwe zimamulola kutenga nawo mbali muzochita zosiyanasiyana za mankhwala. Kafukufuku wa 3,5-dichloroisonicotinic acid angayambitse mankhwala atsopano omwe angakhale ndi ntchito zochiritsira, zomwe zimapangitsa kuti ikhale nkhani yofunika kwa akatswiri a zamankhwala komanso akatswiri a zamankhwala.
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2-Chloro-4-methyl-3-nitropyridine CAS:23056-39-5
2-Chloro-4-methyl-3-nitropyridine ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H6ClN O2. Ili ndi mphete ya pyridine yomwe ili ndi atomu ya chlorine pamalo a 2, gulu la methyl pamalo a 4, ndi gulu la nitro pamalo a 3. Kapangidwe kake kapadera kameneka kamapereka mphamvu zapadera zamagetsi, zomwe zimapangitsa kuti ikhale pakati pa mankhwala opangidwa. Kupezeka kwa zinthu zosinthira ma elekitironi (methyl) ndi ma elekitironi (nitro, chloro) kumakhudza momwe zimagwirira ntchito, zomwe zimapangitsa kuti pakhale kusintha kwa mankhwala osiyanasiyana. Kafukufuku wa mankhwalawa ali ndi ntchito zomwe zingagwiritsidwe ntchito mu mankhwala ndi agrochemicals, zomwe zikuwonetsa kufunika kwake mu mankhwala.
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5-ACETYL-2-METHOXYPYRIDINE, 97% CAS:213193-32-9
5-Acetyl-2-methoxypyridine ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C8H9NO2. Chili ndi mphete ya pyridine yomwe yasinthidwa ndi gulu la acetyl pamalo 5 ndi gulu la methoxy pamalo 2. Molekyulu iyi imasonyeza makhalidwe osangalatsa amagetsi chifukwa cha kukhalapo kwa magulu onse awiri opereka ma electron (methoxy) ndi magulu ochotsera ma electron (acetyl), zomwe zimakhudza reactivity yake m'njira zosiyanasiyana za mankhwala. Chomerachi chimakhala chofunikira kwambiri mu kapangidwe ka organic, makamaka ngati chomangira mankhwala ndi mankhwala a agrochemicals. Reactivation yake yosinthasintha imalola kusintha kosiyanasiyana, zomwe zimapangitsa kuti ikhale pakati pa mankhwala opangidwa ndi kupanga komanso kafukufuku wa mankhwala atsopano ogwira ntchito m'thupi.
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2-BROMO-4,6-DIMETHYLPYRIDINE CAS:4926-26-5
2-Bromo-4,6-dimethylpyridine ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C8H10BrN. Ili ndi mphete ya pyridine yomwe imalowetsedwa m'malo ndi atomu ya bromine pamalo a 2 ndi magulu awiri a methyl pamalo a 4 ndi 6. Kapangidwe kapadera kameneka kamawonjezera mphamvu zamagetsi za molekyulu, zomwe zimapangitsa kuti ikhale pakati pa kapangidwe ka organic. Kupezeka kwa atomu ya bromine kumathandiza kusintha kwa nucleophilic, pomwe magulu a methyl amakhudza sterics ndi reactivity. Kawirikawiri amagwiritsidwa ntchito mu mankhwala ndi agrochemicals, 2-bromo-4,6-dimethylpyridine imagwira ntchito ngati choyambira cha mankhwala osiyanasiyana olimbikitsa thupi ndi zinthu zogwira ntchito.
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2,4-Dibromonicotinic acid CAS: 1269291-41-9
2,4-Dibromonicotinic acid ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H4Br2N O2. Ili ndi mphete ya pyridine yokhala ndi zinthu zolowa m'malo mwa bromine pamalo a 2 ndi 4 komanso gulu la carboxylic acid. Mankhwalawa ndi ofunikira kwambiri pakupanga kwachilengedwe komanso mankhwala chifukwa amagwira ntchito yofunika kwambiri pokonzekera mankhwala osiyanasiyana ndi mankhwala a agrochemicals. Kupezeka kwa bromine kumawonjezera mphamvu yake yogwirira ntchito, zomwe zimapangitsa kuti mankhwala osiyanasiyana asinthe. Kufufuza za makhalidwe ndi khalidwe la 2,4-dibromonicotinic acid kungayambitse kupanga mankhwala atsopano omwe angakhale ndi ntchito zochiritsira.
