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Terephthalic DIHYDRAZIDE CAS:136-64-1
Terephthalic dihydrazide (TPHD) ke motsoako oa tlhaho o nkiloeng ho terephthalic acid, o nang le lihlopha tse peli tse sebetsang tsa hydrazine. E hlaha e le kristale e tšoeu e tiileng 'me e tsebahala haholo ka thuso ea eona ho kopanyeng li-polymer le lik'hemik'hale tse ling tse nkiloeng. TPHD e sebetsa e le mokena-lipakeng oa bohlokoa liketsong tse fapaneng tsa lik'hemik'hale, haholo-holo tlhahisong ea li-polyamides le metsoako e meng e nang le naetrojene. Sebopeho sa eona se ikhethang se fana ka thepa e itseng e etsang hore e be ea bohlokoa saenseng ea thepa le lits'ebetsong tsa indasteri.
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3-(TRIFLUOROMETHYL)PHENYLHYDRAZINE CAS:368-78-5
3-(Trifluoromethyl)phenylhydrazine ke motsoako oa tlhaho o nang le sebopeho sa phenylhydrazine se nang le sehlopha sa trifluoromethyl (-CF₃) se behiloeng sebakeng sa meta sa lesale la monko o monate. Motsoako ona o tsebahala ka thepa ea oona e ikhethang, haholo-holo ka lebaka la boteng ba karolo ea trifluoromethyl, e ntlafatsang lipophilicity ea eona le reactivity. E sebelisoa haholo-holo ho etseng lik'hemik'hale le lipatlisiso, haholo-holo masimong a k'hemistri ea meriana le saense ea thepa.
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P-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE CAS:2571-00-8
p-Tolualdehyde 2,4-dinitrophenylhydrazone ke motsoako oa hydrazone o entsoeng ka karabelo ea p-tolualdehyde le 2,4-dinitrophenylhydrazine. Motsoako ona o bapala karolo ea bohlokoa k'hemistring ea lintho tse phelang e le sesebelisoa sa ho khetholla le ho hlalosa li-aldehyde le li-ketone. Ho thehoa ha li-hydrazone ho thusa ho khetholla metsoako ena ea carbonyl ka lebaka la thepa ea eona e ikhethang ea 'mele, joalo ka lintlha tse ikhethang tsa ho qhibiliha le mebala. Ho utloisisa tlhahiso le boitšoaro ba p-tolualdehyde 2,4-dinitrophenylhydrazone ho fana ka temohisiso ea bohlokoa mabapi le mekhoa ea karabelo ea lintho tse phelang le ho ntlafatsa mekhoa ea ho khetholla limolek'hule.
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m-Tolyl isocyanate CAS:621-29-4
m-Tolyl isocyanate, motsoako o nkhang hamonate oa isocyanate, o na le sehlopha sa m-tolyl (1-methylphenyl) se hokahaneng le sehlopha se sebetsang sa isocyanate (-N=C=O). Motsoako ona o tsejoa ka karabelo ea oona 'me o sebetsa e le motheo oa bohlokoa oa ho haha ka har'a motsoako oa lintho tse phelang. m-Tolyl isocyanate e sebelisoa hangata tlhahisong ea li-derivatives tsa urea le carbamate ka liketso tsa eona le li-amine le joala. Sebopeho sa eona se ikhethang se lumella lits'ebetso tse fapaneng k'hemistri ea meriana, saense ea thepa, le lik'hemik'hale tsa temo, e leng se etsang hore e be motsoako oa bohlokoa bakeng sa bafuputsi le liindasteri tse shebaneng le mekhoa ea maiketsetso le nts'etsopele ea thepa e ncha.
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p-Tolyl isocyanate CAS:622-58-2
p-Tolyl isocyanate, motsoako o nkhang hamonate oa isocyanate, o na le sehlopha sa tolyl (methyl-substituted phenyl) se hoketsoeng sehlopheng se sebetsang sa isocyanate (-N=C=O). Motsoako ona o bohlokoa ho tsoakoeng ha lintho tse phelang le saense ea thepa ka lebaka la reactivity ea oona le bokhoni ba ho theha li-derivatives tsa urea le carbamate ha li arabela ka li-amine le joala. p-Tolyl isocyanate e sebetsa e le motheo oa bohlokoa bakeng sa ho nts'etsapele meriana, lik'hemik'hale tsa temo le li-polymer. Sebopeho sa eona se ikhethang se ntlafatsa ts'ebeliso ea eona lits'ebetsong tse fapaneng tsa lik'hemik'hale, e leng se etsang hore e be motsoako oa bohlokoa bakeng sa bafuputsi le liindasteri tse shebaneng le nts'etsopele ea thepa e ncha le mekhoa ea maiketsetso.
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O-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE CAS:1773-44-0
O-Tolualdehyde 2,4-dinitrophenylhydrazone ke motsoako o hlahisoang ka karabelo ea o-tolualdehyde le 2,4-dinitrophenylhydrazine. Motsoako ona o bohlokoa k'hemistring ea lintho tse phelang kaha o nolofalletsa ho khetholla le ho hlalosa li-aldehyde. Ho thehoa ha li-hydrazone ke mokhoa oa bohlokoa oa ho lemoha metsoako ea carbonyl ka lebaka la lintlha tsa tsona tse ikhethang tsa ho qhibiliha le thepa ea 'mele. Ho kopanngoa hona ho sebeletsa merero ea tlhahlobo le ea thuto, ho bontša likhopolo tsa bohlokoa joalo ka ho eketsa nucleophilic le liketso tsa ho felloa ke metsi 'meleng. Ho utloisisa o-tolualdehyde 2,4-dinitrophenylhydrazone ho kenya letsoho lits'ebetsong tse pharaletseng tsa ho kopanya lintho tse phelang le mekhoa ea ho khetholla limolek'hule.
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Letswai la disodium la α-Ketoglutaric acid CAS:305-72-6
Letswai la disodium la α-Ketoglutaric acid, leo hangata le bitswang sodium α-ketoglutarate, ke letswai le tswang ho α-ketoglutaric acid, e leng karolo ya bohlokwa ya potoloho ya Krebs. Ka foromo ya molek'hule C₅H₆Na₂O₄, motsoako ona o bapala karolo ya bohlokwa metabolism le tlhahiso ya matla a sele. Sodium α-ketoglutarate e sebediswa ditshebedisong tse fapaneng, ho kenyeletswa le ditlatsetso tsa dijo, ditlatsetso tsa dijo le meriana. Thepa ya yona e kgothaletsa metabolism ya amino acid le ho tsamaiswa ha naetrojene, e leng se etsang hore e be ya bohlokwa maemong a phepo le a bongaka. Ho utlwisisa mesebetsi ya yona ya biochemical le ditshebediso ho ka ntlafatsa tshebediso ya yona bophelong bo botle le boiketlong.
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MONOBUTYL PHTHALATE CAS:131-70-4
Monobutyl phthalate (MBP), motsoako oa ester o nkiloeng ho phthalic acid, o thehoa ka ho esterization ea molek'hule e le 'ngoe ea butanol e nang le phthalic acid. E sebelisoa haholo-holo e le plasticizer ho polyvinyl chloride (PVC) le mefuta e meng ea polymer ho ntlafatsa ho tenyetseha, ho tšoarella le ho sebetsa habonolo. MBP e bapala karolo ea bohlokoa lits'ebetsong tse fapaneng tsa indasteri, ho kenyeletsoa likhomaretsi, liphahlo le li-sealant. Leha e fana ka thepa e molemo ho thepa, ho hlahile matšoenyeho mabapi le litlamorao tsa eona tse ka bang teng bophelong, e leng se bakang lipatlisiso tse tsoelang pele mabapi le ts'ireletso ea eona le tšusumetso ea tikoloho. Ho utloisisa litšobotsi le ts'ebeliso ea MBP ho bohlokoa bakeng sa ho nts'etsapele mekhoa e meng e sireletsehileng lihlahisoa tsa bareki.
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Ethyl (pentafluorobenzoyl)acetate CAS:3516-87-8
Ethyl (pentafluorobenzoyl)acetate ke motsoako o nkhang hamonate o khetholloang ke boteng ba sehlopha sa pentafluorobenzoyl se hoketsoeng karolong ea ethyl acetate. Motsoako ona o tsebahala ka ho kenyelletsa liathomo tse ngata tsa fluorine, tse susumetsang haholo litšobotsi tsa eona tsa lik'hemik'hale, ho kenyeletsoa le lipophilicity le reactivity. Ethyl (pentafluorobenzoyl)acetate e sebetsa e le mokena-lipakeng oa bohlokoa oa tlhahiso ea lintho tse phelang le k'hemistri ea meriana, e lumellang nts'etsopele ea metsoako e fapaneng e nang le fluorine. Sebopeho sa eona se ikhethang se fana ka melemo e ikhethang moralong oa lithethefatsi, lik'hemik'hale tsa temo le mahlale a thepa, e leng se etsang hore e be motsoako oa bohlokoa bakeng sa bafuputsi le lits'ebetso tsa indasteri.
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METANESULFONYL HYDRAZIDE CAS:10393-86-9
Methanesulfonyl hydrazide, e tsejoang hape e le mesylhydrazine, ke motsoako oa tlhaho o nang le sehlopha se sebetsang sa hydrazine se hoketsoeng karolong ea methanesulfonyl. Ka foromo ea limolek'hule ea C₂H₇N₃O₂S, motsoako ona o hapile tlhokomelo k'hemistring ea maiketsetso le ea bongaka ka lebaka la ts'ebetso ea ona le lits'ebeliso tse ka bang teng. Methanesulfonyl hydrazide e sebetsa e le mokena-lipakeng oa bohlokoa tlhahisong ea meriana le lik'hemik'hale tse fapaneng tsa temo. Sebopeho sa eona se ikhethang se e nolofalletsa ho nka karolo liketsong tse fapaneng tsa lik'hemik'hale, e leng se etsang hore e be motheo o thusang oa ho theha metsoako e mecha e nang le thepa e lakatsehang ea baeloji kapa ea lik'hemik'hale.
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N-(5-BROMOPENTYL)PHTHALIMIDE CAS:954-81-4
N-(5-Bromopentyl)phthalimide ke motsoako oa tlhaho o khetholloang ke sehlopha sa phthalimide se hoketsoeng ketane ea alkyl ea khabone e hlano e kenyeletsang sebaka sa bromine sebakeng sa ho qetela. Motsoako ona o tsebahala ka ho sebetsa ha oona le ho tenyetseha ha oona tlhahisong ea lintho tse phelang, haholo-holo o sebeletsa e le karolo ea bohlokoa ea ho lokisa meriana le lik'hemik'hale tse fapaneng tsa temo. Boteng ba athomo ea bromine bo ntlafatsa thepa ea eona ea electrophilic, bo nolofatsa liketso tsa ho nkeloa sebaka ha nucleophilic. N-(5-Bromopentyl)phthalimide le eona e bohlokoa saenseng ea lintho tse bonahalang, haholo-holo ho nts'etsopele ea li-polymer le thepa e sebetsang, e totobatsang bohlokoa ba eona lipatlisisong tsa lik'hemik'hale tsa mehleng ena le lits'ebetsong.
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METHYL 2-CHLORO-4-NITROBENZOATE CAS:13324-11-3
Methyl 2-chloro-4-nitrobenzoate ke motsoako o nkhang hamonate o khetholloang ke boteng ba sehlopha sa nitro le athomo ea chlorine lesale la benzene, hammoho le sehlopha sa methoxycarbonyl. Motsoako ona o sebetsa e le mokena-lipakeng oa bohlokoa tlhahisong ea lintho tse phelang, haholo-holo masimong a k'hemistri ea meriana le lik'hemik'hale tsa temo. Tokisetso e ikhethang ea lintho tse nkeloang sebaka e fana ka karabelo e ikhethang ea lik'hemik'hale, e leng se etsang hore e be molemo bakeng sa liphetoho tse fapaneng. Methyl 2-chloro-4-nitrobenzoate e ka nka karolo liketsong tsa phetoho ea electrophilic, liphetoho tsa nucleophilic, le liketso tse ling tsa ho kopanya, e leng se thusang ho hlophisoa ha limolek'hule tse rarahaneng tsa lintho tse phelang le meriana.
