O le Belt and Road: Galulue Faatasi, Lotogatasi ma le Manumalo i le Vaeluaga
oloa

Kemikolo Lelei

  • 2-CHLORO-3-FLUORO-4-FORMYLPYRIDINE CAS:329794-28-7

    2-CHLORO-3-FLUORO-4-FORMYLPYRIDINE CAS:329794-28-7

    2-O le Chloro-3-fluoro-4-formylpyridine o se vailaʻau faʻaola ma le fua faʻatatau molecular C6H4ClFNO. O loʻo i ai se mama pyridine ua suia i se atom chlorine i le tulaga 2, o se atom fluorine i le tulaga 3, ma se formyl group (-CHO) i le tulaga 4. O lenei mamanu tulaga ese o le suiga e tuʻuina atu ai ni meatotino eletise tulaga ese e faʻaleleia atili ai lona tali atu. O le i ai o halogens e faʻateleina ai le electrophilicity, ma avea ai ma mea talafeagai mo suiga nucleophilic ma isi suiga faʻakemikolo. E masani ona faʻaaogaina i le kemisi faʻafomaʻi, o le 2-chloro-3-fluoro-4-formylpyridine e avea o se vaeluaga taua mo le faʻapipiʻiina o vailaʻau faʻaola eseese ma vailaʻau fou.

     

  • 3-Iodopyridin-2-amine CAS:104830-06-0

    3-Iodopyridin-2-amine CAS:104830-06-0

    O le 3-Iodopyridin-2-amine o se vailaʻau faʻaola e faʻailoaina i le fua faʻatatau molecular C5H5IN2. O lenei molecule o loʻo i ai se mama pyridine ma se iodide substituent i le tulaga 3 ma se amino group i le tulaga 2. O le i ai o le iodine e faʻaalia ai le uiga electrophilic taua, aʻo faʻaleleia e le amino group le nucleophilicity, ma iʻu ai i le tulaga ese o le tali atu i vailaʻau. I le avea ai ma se vaeluaga e tele ona faʻaaogaina, o le 3-iodopyridin-2-amine e taua tele i le faʻaputuga faʻaola, aemaise lava i le alamanuia o vailaʻau, lea e mafai ona faʻaaogaina e atiina ae ai le tele o vailaʻau bioactive. O lona fausaga tulaga ese e taua ai foʻi i le saienisi o meafaitino mo le mamanuina o meafaitino faʻatino.

  • 3-Amino-2-picoline CAS:3430-10-2

    3-Amino-2-picoline CAS:3430-10-2

    3-O le Amino-2-picoline o se vailaʻau faʻaola ma le fua faʻatatau molecular C6H8N2. E aofia ai se mama pyridine ma se vaega amino i le tulaga 3 ma se vaega methyl i le tulaga 2. O lenei mamanu tulaga ese o le suiga e aʻafia ai ona meatotino faʻakemikolo, ma avea ai ma se vaeluaga taua i le faʻasologa faʻaola. O le vaega amino e tuʻuina atu ai le uiga nucleophilic, ae o le i ai o le vaega methyl e mafai ona aʻafia ai le tufatufaina atu o le eletise, faʻaleleia atili ai le tali atu o le vailaʻau. E maua le 3-Amino-2-picoline i vailaʻau, vailaʻau faʻatoʻaga, ma le saienisi o meafaitino, lea e avea ai o se poloka faufale mo le atinaʻeina o vailaʻau faʻaola ma mea aoga.

     

  • 2-CHLORO-5-FLUORO-3-HYDROXYPYRIDINE CAS:884494-35-3

    2-CHLORO-5-FLUORO-3-HYDROXYPYRIDINE CAS:884494-35-3

    2-O le Chloro-5-fluoro-3-hydroxypyridine o se vailaʻau faʻaola ma le fua faʻatatau molecular C6H5ClFNO. O loʻo i ai se mama pyridine ua suia i se atom chlorine i le tulaga 2, o se atom fluorine i le tulaga 5, ma se vaega hydroxyl (-OH) i le tulaga 3. O lenei mamanu tulaga ese o le suiga e aʻafia ai ona meatotino eletise, faʻaleleia atili ai le tali atu ma avea ai ma mea talafeagai mo suiga eseese o vailaʻau. O le i ai o halogens e faʻateleina ai le electrophilicity, ae o le vaega hydroxyl e faʻatagaina ai fegalegaleaiga o le hydrogen bonding. E masani ona faʻaaogaina i le kemisi faʻafomaʻi, o le 2-chloro-5-fluoro-3-hydroxypyridine e fai ma vaega taua mo le faʻapipiʻiina o vailaʻau faʻaola eseese.

     

  • 3-Amino-5-bromo-2-chloropyridine CAS:588729-99-1

    3-Amino-5-bromo-2-chloropyridine CAS:588729-99-1

    3-O le Amino-5-bromo-2-chloropyridine o se vailaʻau faʻaola e iai le fua faʻatatau molecular C5H4BrClN2. O loʻo iai se mama pyridine ua suia i se vaega amino i le tulaga 3, se vaega bromo i le tulaga 5, ma se vaega chloro i le tulaga 2. O lenei mamanu tulaga ese o le suia e maua ai e le vailaʻau ni meatotino eletise tulaga ese, ma avea ai ma se vaeluaga taua i le kemisi faʻapitoa. O le iai o vaega e aveese ai le eletise (bromo ma le chloro) ma vaega e foaʻi mai ai le eletise (amino) e aʻafia ai lona tali atu i le tele o tali faʻakemikolo, aemaise lava i le mauaina o vailaʻau ma le atinaʻeina o agrochemical, ma faʻamamafaina ai lona taua i suʻesuʻega faʻafomaʻi ma kemisi faʻaola.

     

  • 3,5-DICHLOROISONICOTINIC ACID CAS:13958-93-5

    3,5-DICHLOROISONICOTINIC ACID CAS:13958-93-5

    O le 3,5-Dichoroisonicotinic acid o se vailaʻau faʻaola e iai le fua faʻatatau molecular C6H3Cl2N O2. E aofia ai se mama pyridine ma le carboxylic acid functionality, e aofia ai ni sui chlorine se lua i le 3- ma le 5- tulaga. O lenei vailaʻau e taua tele i le gaosiga faʻaola ma le kemisi faʻafomaʻi, e avea o se vaeluaga taua mo le atinaʻeina o vailaʻau eseese ma vailaʻau faʻatoʻaga. O le iai o le dichlorination e faʻaleleia atili ai lona tali atu, ma mafai ai ona auai i le tele o tali faʻaola. O suʻesuʻega i le 3,5-dichloroisonicotinic acid e mafai ona taʻitaʻia ai ni vailaʻau fou e mafai ona faʻaaogaina mo togafitiga, ma avea ai ma mataupu e fiafia i ai tagata suʻesuʻe vailaʻau ma tagata faʻatau vailaʻau.

  • 2-Chloro-4-methyl-3-nitropyridine CAS:23056-39-5

    2-Chloro-4-methyl-3-nitropyridine CAS:23056-39-5

    2-O le Chloro-4-methyl-3-nitropyridine o se vailaʻau faʻaola ma le fua faʻatatau molecular C6H6ClN O2. E aofia ai se mama pyridine o loʻo i ai se atom chlorine i le tulaga 2, se vaega methyl i le tulaga 4, ma se vaega nitro i le tulaga 3. O lenei mamanu tulaga ese o le suiga e maua ai ni meatotino eletise tulaga ese, ma avea ai ma se vaeluaga taua i le kemisi faʻapitoa. O le i ai o mea e lua e foaʻi mai ai le eletise (methyl) ma le electron-withdrawal (nitro, chloro) e aʻafia ai lona tali atu, ma mafai ai ona faia ni suiga eseese o vailaʻau. O suʻesuʻega i lenei vailaʻau e mafai ona faʻaaogaina i vailaʻau ma vailaʻau faʻatoʻaga, ma faʻamamafaina ai lona taua i le kemisi faʻafomaʻi.

     

  • 5-ACETYL-2-METHOXYPYRIDINE, 97% CAS:213193-32-9

    5-ACETYL-2-METHOXYPYRIDINE, 97% CAS:213193-32-9

    5-O le Acetyl-2-methoxypyridine o se vailaʻau faʻaola e iai le fua faʻatatau molecular C8H9NO2. O loʻo iai se mama pyridine ua suia i se vaega acetyl i le tulaga 5 ma se vaega methoxy i le tulaga 2. O lenei molecule e faʻaalia ai ni uiga eletise manaia ona o le iai o vaega e foaʻi mai ai le eletise (methoxy) ma vaega e aveese ai le eletise (acetyl), e aʻafia ai lona tali atu i faiga faʻakemikolo eseese. O le vailaʻau e taua tele i le faʻaputuina o mea faʻaola, aemaise lava o se poloka fau fale mo vailaʻau ma vailaʻau faʻatoʻaga. O lona tali atu e mafai ai ona faia ni suiga eseese, ma avea ai ma se vaega taua i le kemisi faʻatupu ma suʻesuʻega i ni vailaʻau fou e faʻagaoioia i le ola.

     

  • 2-BROMO-4,6-DIMETHYLPYRIDINE CAS:4926-26-5

    2-BROMO-4,6-DIMETHYLPYRIDINE CAS:4926-26-5

    2-O le Bromo-4,6-dimethylpyridine o se vailaʻau faʻaola e iai le fua faʻatatau molecular C8H10BrN. O loʻo iai se mama pyridine e suia i se atomu bromine i le tulaga 2 ma ni vaega methyl se lua i le tulaga 4 ma le 6. O lenei mamanu tulaga ese o le suiga e faʻaleleia atili ai meatotino eletise o le mole, ma avea ai ma se vaeluaga taua i le faʻasologa o meaola. O le iai o le atomu bromine e faʻafaigofie ai suiga nucleophilic, ae o vaega methyl e aʻafia ai sterics ma le reactivity. E masani ona faʻaaogaina i vailaʻau ma vailaʻau faʻatoʻaga, o le 2-bromo-4,6-dimethylpyridine e avea o se mea muamua mo le tele o vailaʻau faʻaola ma mea aoga.

     

  • 2,4-Dibromonicotinic acid CAS:1269291-41-9

    2,4-Dibromonicotinic acid CAS:1269291-41-9

    O le 2,4-Dibromonicotinic acid o se vailaʻau faʻaola e iai le fua faʻatatau molecular C6H4Br2N O2. O loʻo iai se mama pyridine ma ni sui bromine i le 2- ma le 4- tulaga ma se vaega galue carboxylic acid. O lenei vailaʻau e fiafia i le faʻaputuga faʻaola ma le kemisi faʻafomaʻi aua e avea o se vaeluaga taua i le sauniuniga o vailaʻau eseese ma vailaʻau faʻatoʻaga. O le iai o le bromine e faʻaleleia atili ai lona tali atu, ma mafai ai ona faia ni suiga faʻaola eseese. O le suʻesuʻeina o meatotino ma amioga a le 2,4-dibromonicotinic acid e mafai ona taʻitaʻia ai le atinaʻeina o ni vailaʻau fou ma ni faʻaoga faʻafomaʻi e ono mafai.

  • 3-CHLOROISONICOTINALDEHYDE CAS:72990-37-5

    3-CHLOROISONICOTINALDEHYDE CAS:72990-37-5

    3-O le Chloroisonicotinaldehyde o se vailaʻau faʻaola e iai le fua faʻatatau molecular o le C7H6ClN ma e iai se mama pyridine o loʻo iai uma se chloro substituent ma se aldehyde functional group. O lenei vailaʻau e iloga ona o ona faʻaoga talafeagai i le faʻaputuga faʻaola, aemaise lava i le atinaʻeina o vailaʻau faʻafomaʻi. O le iai o le tulaga chlorinated e faʻaleleia atili ai le tali atu o le mole, ma mafai ai ona auai i le tele o tali faʻakemikolo, e pei o le nucleophilic substitutions ma le condensation reactions. O le malamalama i ona meatotino ma le tali atu e taua tele mo le au kemisi o loʻo aʻafia i le faʻaputuga o vailaʻau fou e iai gaioiga faʻaola.

     

  • 3-Pyridinecarboxaldehyde, 6-ethoxy- (9CI) CAS:97455-61-3

    3-Pyridinecarboxaldehyde, 6-ethoxy- (9CI) CAS:97455-61-3

    3-O le Pyridinecarboxaldehyde, 6-ethoxy- (9CI) o se vailaʻau faʻapitoa e iai le fua faʻatatau molecular C10H11NO2. O loʻo iai se mama pyridine ua suia i se aldehyde ma se vaega ethoxy i tulaga faʻapitoa. O lenei vailaʻau e faʻaaogaina i le tele o faʻaoga faʻapitoa o le gaosiga o meaola, aemaise lava i pisinisi faʻafomaʻi ma faʻatoʻaga. O lona fausaga tulaga ese e mafai ai ona faʻaaogaina le gaioiga e mafai ona faʻaaogaina i isi gaioiga faʻapitoa, ma avea ai ma se vaeluaga taua. O le malamalama i ona meatotino ma amioga i lalo o tulaga eseese e fesoasoani i le au kemisi i le atinaʻeina o ni vailaʻau fou ma le faʻaleleia atili o auala i faiga faʻapitoa.