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(S)-(+)-Epichlorohydrin CAS:67843-74-7
(S)-(+)-Epichlorohydrin iyinhlanganisela ye-chiral organic kanye nesakhiwo esibalulekile ekuhlanganisweni kwezinto eziphilayo, eyaziwa ngokusetshenziswa kwayo okuhlukahlukene ekukhiqizweni kwama-resin e-epoxy, imithi, kanye namakhemikhali ezolimo. Ibonakala ngendandatho yayo ye-epoxide enamalungu amathathu kanye ne-athomu ye-chlorine, le nhlanganisela ibonisa ukusabela okuphawulekayo ngenxa yemvelo yayo ye-electrophilic. Uhlobo oluhlanzekile lwe-enantiomeri, (S)-(+)-epichlorohydrin, lunentshisekelo enkulu ekuhlanganisweni okungalingani, okuvumela ukuthuthukiswa kwemikhiqizo ecebile nge-enantiomeri. Ucwaningo luyaqhubeka nokuhlola ukusetshenziswa kwayo kanye nezindlela zayo, okufaka isandla ekuthuthukisweni kokubili kwezinqubo zezimboni kanye nekhemistri yezokwelapha.
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2,4,5-Trifluorobenzyl alcohol CAS:144284-25-3
I-2,4,5-Trifluorobenzyl alcohol iyinhlanganisela enuka kamnandi enama-fluorine enezicelo ezibalulekile kwezokwelapha kanye namakhemikhali ezolimo. Ukuba khona kwama-athomu amathathu e-fluorine ezindaweni ezingu-2, 4, kanye no-5 eringini ye-benzene kuthuthukisa ukuzinza kwamakhemikhali enhlanganisela kanye nokuqina kwayo, okwenza kube yisisekelo esibalulekile sokwakheka kwezinto eziphilayo. Izakhiwo zayo eziyingqayizivele zivumela izinguquko ezingaholela ekuthuthukisweni kwezindlela zokwelapha ezintsha. Njengoba ucwaningo ngama-compound anama-fluorine luqhubeka lukhula, i-2,4,5-trifluorobenzyl alcohol iyahlolwa ukuze ikwazi ukuthola izidakamizwa kanye nesayensi yezinto ezibonakalayo, okugqamisa ukubaluleka kwayo kumakhemikhali anamuhla.
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(S)-(-)-4-Chloromethyl-2,2-dimethyl-1,3-dioxolane CAS:60456-22-6
(S)-(-)-4-Chloromethyl-2,2-dimethyl-1,3-dioxolane iyinhlanganisela ye-chiral enesakhiwo se-dioxolane esiyingqayizivele esibonisa iqembu le-chloromethyl kanye nezinto ezimbili ezithatha indawo ye-methyl. Le nhlanganisela idonsele ukunaka emkhakheni wokwenziwa kwezinto eziphilayo ngokusetshenziswa kwayo okunamandla njengophakathi ekulungiseleleni imithi ehlukahlukene kanye namakhemikhali amahle. I-stereochemistry ethile ye-(S)-(-) enantiomer ingathonya kakhulu ukusabela kwayo kanye nokukhetha kwayo ekuphenduleni kwamakhemikhali, okwenza ibe yigugu ekuhlanganiseni okungalingani. Ucwaningo oluqhubekayo luhlose ukuhlola ukusetshenziswa kwayo kanye nokusabela, luqokomisa ukubaluleka kwayo kwisayensi yezinto ezibonakalayo kanye nekhemistri yezokwelapha.
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I-2,5-Dibromopyrimidine CAS:32779-37-6
I-2,5-Dibromopyrimidine iyi-halogenated pyrimidine derivative enemiphumela ebalulekile ekuhlanganisweni kwezinto eziphilayo kanye ne-pharmaceutical chemistry. Le nhlanganisela inama-athomu amabili e-bromine anamathele ezikhundleni ze-2 kanye ne-5 zendandatho ye-pyrimidine, okuthuthukisa ukusabela kwayo kanye nokuguquguquka kwayo. Ifomula yayo yama-molecule yi-C4H2Br2N2, futhi isebenza njengesisekelo esibalulekile ekwakhiweni kwamakhemikhali ahlukahlukene asebenzayo, okuhlanganisa nemithi kanye namakhemikhali ezolimo. Ukuba khona kwe-bromine kuthuthukisa ukusabela kokushintshana kwe-electrophilic aromatic, okwenza i-2,5-dibromopyrimidine ibe yindawo ebalulekile yokwakha ama-molecule ayinkimbinkimbi kumakhemikhali ezokwelapha kanye nesayensi yezinto.
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(R)-(-)-Glycidyl butyrate CAS:60456-26-0
(R)-(-)-Glycidyl butyrate iyinhlanganisela ye-epoxy ye-chiral ebonakala ngokuba khona kweqembu le-epoxide kanye ne-ester ye-butyrate. Isebenza njengesikhungo esibalulekile ekuhlanganisweni kwezinto eziphilayo, ikakhulukazi ekuthuthukisweni kwemithi, amakhemikhali ezolimo, kanye nama-polymer akhethekile. Isakhiwo esiyingqayizivele sale nhlanganisela sivumela ukuguqulwa kwamakhemikhali okuguquguqukayo, okwenza kube yigugu ezinhlotsheni ezahlukahlukene. I-stereochemistry ethile ye-(R)-(-) enantiomer ingathonya ukusabela kwayo kanye nokusebenzisana kwezinto eziphilayo, igqamisa ukubaluleka kwayo ekuhlanganisweni okungalingani kanye nesayensi yezinto ezibonakalayo. Ucwaningo luyaqhubeka nokuhlola ukusetshenziswa kwayo okungenzeka kanye nokuguqulwa emikhakheni eyahlukahlukene.
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I-N-(Acetoacetyl)anthranilic acid CAS:35354-86-0
N-I-(Acetoacetyl)anthranilic acid iyinhlanganisela yezinto eziphilayo etholakala ku-anthranilic acid, equkethe iqembu le-acetoacetyl elixhunywe ku-amine yengxenye ye-anthranilic acid. Le nhlanganisela ibonisa izakhiwo zamakhemikhali ezithakazelisayo ezenza kube yisihloko sokutadisha kumakhemikhali ezokwelapha kanye nokwakheka kwezinto eziphilayo. Isakhiwo sayo sihlanganisa izici ze-acetoacetyl kanye ne-anthranilic acid, ezingase zinikeze umsebenzi wezinto eziphilayo kanye nezicelo zokwelapha ezingaba khona.
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I-Methyl 3-methyl-2-butenoate CAS:924-50-5
I-Methyl 3-methyl-2-butenoate iyinhlanganisela yezinto eziphilayo eyingxenye yesigaba sama-esters, ebonakala ngeqembu layo elisebenzayo le-methyl ester (-COOCH₃) kanye nesakhiwo se-alkenyl esinamagatsha. Ibonakala njengoketshezi olungenambala olunephunga elimnandi lezithelo. Le nhlanganisela iphawuleka ngokusabela kwayo kanye nokuguquguquka kwayo kumakhemikhali okwenziwa, okwenza ibe yindawo ebalulekile ekusetshenzisweni okuhlukahlukene kokwenziwa kwezinto eziphilayo, ikakhulukazi ekukhiqizweni kwemithi kanye namakhemikhali ezolimo.
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I-4′-Chloroacetoacetanilide CAS:101-92-8
I-4′-Chloroacetoacetanilide iyinhlanganisela yezinto eziphilayo equkethe iqembu le-acetoacetyl kanye ne-chloro substituent eringini ye-aniline. Le nhlanganisela ibonakala ngesakhiwo sayo esiyingqayizivele, esihlanganisa kokubili imisebenzi ye-acetoacetyl kanye ne-aniline. Ithakazelisa emikhakheni ehlukahlukene, kufaka phakathi i-chemistry yezokwelapha kanye nokwakheka kwezinto eziphilayo, ngenxa yomsebenzi wayo wezinto eziphilayo kanye nokuguquguquka kokusabela kwamakhemikhali.
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2-Acetamido-4-methylphenol CAS:6375-17-3
2-I-Acetamido-4-methylphenol, eyaziwa kakhulu ngokuthi i-paracetamol noma i-acetaminophen, iyinhlanganisela yezinto eziphilayo equkethe iqembu le-acetamido kanye nesakhiwo se-methyl phenolic. Iyaziwa kabanzi ngezakhiwo zayo zokudambisa ubuhlungu kanye nezokulwa nokuvuvukala, okwenza ibe ngomunye wemithi esetshenziswa kakhulu emhlabeni jikelele. Le nhlanganisela isebenza njengokwelashwa okuphephile nokuphumelelayo kokuqeda ubuhlungu kanye nokunciphisa umkhuhlane, futhi inephrofayili yokuphepha eqinile uma isetshenziswa ngendlela efanele.
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I-2-Chlorophenyl isocyanate CAS:3320-83-0
2-I-Chlorophenyl isocyanate iyinhlanganisela yezinto eziphilayo ebonakala ngokuba khona kweqembu elisebenzayo le-isocyanate (-N=C=O) elixhunywe engxenyeni ye-2-chlorophenyl. Iwuketshezi oluphuzi olungenambala noma olukhanyayo olunephunga elihlukile, oluvame ukusetshenziswa ekuhlanganisweni kwamakhemikhali nasekucwaningweni. Le nhlanganisela iphawuleka ngokusabela kwayo, ikakhulukazi ekwakheni ama-urea kanye nezinye i-heterocycles eziqukethe i-nitrogen, okwenza ibe yigugu ezisetshenzisweni ezahlukahlukene, okuhlanganisa nemithi kanye namakhemikhali ezolimo.
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I-N,N'-(2,5-Dimethyl-1,4-phenylene)bis(3-oxobutyramide)CAS:24304-50-5
I-N,N'-(2,5-Dimethyl-1,4-phenylene)bis(3-oxobutyramide) iyinhlanganisela ye-bisamide equkethe ingxenye ephakathi ye-2,5-dimethyl-1,4-phenylene exhunywe kumayunithi amabili e-3-oxobutyramide. Isakhiwo sayo esiyingqayizivele siyinika izakhiwo zamakhemikhali nezomzimba ezithakazelisayo, okwenza kube yisihloko sokutadisha isayensi yezinto ezibonakalayo, imithi, kanye nokuhlanganiswa kwezinto eziphilayo. Ukuba khona kwamaqembu asebenzayo e-amide kuthuthukisa amandla ayo okusetshenziswa okuhlukahlukene.
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I-N,N'-(2-Chloro-5-methyl-1,4-phenylene)bis(3-oxobutyramide) I-CAS:41131-65-1
I-N,N'-(2-Chloro-5-methyl-1,4-phenylene)bis(3-oxobutyramide) iyinhlanganisela ye-bisamide equkethe iyunithi ye-1,4-phenylene ethathelwe indawo yi-chloro exhunywe emaqenjini amabili e-3-oxobutyramide. Isakhiwo esiyingqayizivele sale nhlanganisela sinikeza izakhiwo zamakhemikhali ezithakazelisayo, okwenza ifanelekele ucwaningo ezisetshenziswayo ezahlukahlukene, ikakhulukazi kwezokwelapha kanye nesayensi yezinto zokwakha.
