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I-2-Methoxy-3-methylpyrazine CAS:2847-30-5
I-2-Methoxy-3-methylpyrazine iyinhlanganisela yezinto eziphilayo enefomula yama-molecule i-C7H9N3O, engowomndeni we-pyrazine wama-compounds e-heterocyclic. Ichazwa yiqembu le-methoxy (-OCH₃) kanye neqembu le-methyl (-CH₃) elinamathiselwe endandatho ye-pyrazine ezindaweni ezi-2 nezi-3, ngokulandelana, le nhlanganisela inephunga elihlukile elivame ukuchazwa njengelinotshani futhi elinomhlaba. Ngenxa yephunga layo elikhangayo, i-2-methoxy-3-methylpyrazine ithola ukusetshenziswa embonini yokunambitheka kokudla kanye nephunga elimnandi. Ngaphezu kwalokho, isakhiwo sayo samakhemikhali esiyingqayizivele sinikeza izindlela zokucwaninga ngemisebenzi engaba khona yezinto eziphilayo kanye nezicelo zokwenziwa kumakhemikhali ezinto eziphilayo.
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2,3-Dimethylpyrazine CAS:5910-89-4
I-2,3-Dimethylpyrazine iyinhlanganisela yezinto eziphilayo enefomula yama-molecule i-C7H10N2, ehlukaniswe njengelungu lomndeni we-pyrazine. Le nhlanganisela ye-aromatic heterocyclic inamaqembu amabili e-methyl anamathele endandatho ye-pyrazine ezindaweni ezi-2 nezi-3, ezifaka isandla ephunga layo eliyingqayizivele le-nutty, lomhlaba. Ngenxa yephunga layo elimnandi, i-2,3-dimethylpyrazine isetshenziswa kabanzi embonini yokudla njenge-ejenti yokunambitheka, ithuthukisa izitsha ezahlukahlukene ezinongiwe, ukudla okulula, neziphuzo. Ngaphezu kwalokho, inezicelo embonini yamakha kanye nokuhlanganiswa kwezinto eziphilayo, okwenza ibe yinkimbinkimbi ebalulekile kokubili ngezinjongo zezentengiselwano nezocwaningo.
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I-2-Methylpyrazine CAS:109-08-0
I-2-Methylpyrazine iyinhlanganisela yemvelo enefomula yamakhemikhali i-C6H8N2, engeyomndeni we-pyrazine wama-heterocycle aromatic. Ibonakala ngephunga layo elihlukile lama-nutty kanye nephunga elithosiwe, le nhlanganisela ivame ukutholakala emikhiqizweni yokudla ehlukahlukene futhi inegalelo kumaphrofayili ayo okunambitheka. Isetshenziswa kakhulu embonini yokudla njenge-ejenti yokunambitheka, ithuthukisa ukunambitheka kwezitsha ezinongiwe, ukudla okulula, neziphuzo. Ngaphezu kwalokho, i-2-methylpyrazine inezicelo embonini yamakha ngenxa yephunga layo elimnandi. Ukuqonda izakhiwo zayo zamakhemikhali kanye nezindlela zokwenziwa kungasiza ekuhloleni ukusetshenziswa kwayo okungenzeka emikhakheni ehlukene.
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I-2-Ethyl-3-methylpyrazine CAS:15707-23-0
I-2-Ethyl-3-methylpyrazine iyinhlanganisela yezinto eziphilayo eyingxenye yomndeni we-pyrazine, ebonakala ngesakhiwo sayo esiyingqayizivele enamaqembu e-ethyl kanye ne-methyl anamathele endandatho ye-pyrazine ezindaweni ezi-2 kanye nezi-3, ngokulandelana. Ngefomula yama-molecule i-C8H11N2, le nhlanganisela ikhombisa iphunga elihlukile elichazwa njenge-nutty, eyosiwe, futhi emnandi kancane. Ngenxa yephunga layo elikhangayo, i-2-ethyl-3-methylpyrazine isetshenziswa kabanzi embonini yokudla njenge-ejenti yokunambitheka, ithuthukisa ukunambitheka kwemikhiqizo ehlukahlukene kusukela ekudleni okulula kuya kumasoso. Ngaphezu kwalokho, inezicelo emkhakheni wamakha futhi inikeza amandla okuhlola ukwenziwa kwezinto eziphilayo kanye nemithi.
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I-Tetrapropylammonium hydroxide CAS:4499-86-9
I-Tetrapropylammonium hydroxide (TPAOH) iyinhlanganisela ye-ammonium ye-quaternary ebonakala ngesakhiwo sayo esakhiwe yi-athomu ye-nitrogen ehlanganiswe namaqembu amane e-propyl kanye ne-ion ye-hydroxide. Le nhlanganisela yaziwa ngokuyisisekelo kwayo okuqinile kanye nokuncibilika kwayo ezinyibilikisini eziphilayo, okwenza ibe usizo ezisetshenzisweni ezahlukene zamakhemikhali. I-TPAOH isebenza njengesikhuthazi sokudlulisa isigaba esiphumelelayo futhi ivame ukusetshenziswa ekuhlanganisweni kwezinto eziphilayo, inikeza ukusabela okuthuthukisiwe ekuphenduleni okubandakanya amakhemikhali e-ionic noma e-polar.
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I-TETRAPHENYLPHOSPHONIUM IODAYIDE CAS:2065-67-0
I-Tetraphenylphosphonium iodide iyi-quaternary ammonium salt enefomula yamakhemikhali (C6H5)4P+I-. Yakhiwe i-athomu ye-phosphorus ehlanganiswe namaqembu amane e-phenyl kanye ne-iodide anion, okwenza ibe nezakhiwo ezihlukile. Le nhlanganisela yaziwa ngokuncibilika kwayo ezinyibilikisini eziphilayo futhi idlala indima ebalulekile ekuhlanganisweni kwezinto eziphilayo kanye nezinhlelo ze-catalyst. Isakhiwo sayo esihlukile kanye nezici zayo zenza ibe yi-reagent ebalulekile ezinqubweni ezahlukene zamakhemikhali, ikakhulukazi lezo ezihilela ukudluliselwa kwesigaba kanye nokwakhiwa kwezinhlaka zezinto eziphilayo eziyinkimbinkimbi.
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(Carbomethoxymethyl)triphenylphosphonium bromide CAS:1779-58-4
(Carbomethoxymethyl) triphenylphosphonium bromide iyinhlanganisela ye-organophosphorus enefomula yama-molecule C24H26BrO2P. Iqukethe iqembu le-triphenylphosphonium elixhunywe nengxenye ye-carbomethoxymethyl, enikeza izakhiwo ezihlukile eziwusizo ekwakhiweni kwezinto eziphilayo. Le nhlanganisela isebenza njenge-reagent eguquguqukayo, ikakhulukazi ekwakhiweni kwama-ylides, adlala indima ebalulekile ekuphenduleni okuhlukahlukene kwezinto eziphilayo, okuhlanganisa ukwakheka kwesibopho se-carbon-carbon. Isakhiwo sayo esihlukile sithuthukisa ukusabela kwayo kanye nokuqina, okwenza kube yinkimbinkimbi ebalulekile ocwaningweni lwamakhemikhali lwanamuhla.
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I-Tetrabutylphosphonium acetate CAS:30345-49-4
I-Tetrabutylphosphonium acetate (TBPA) iyi-phosphonium salt enefomula i-C12H29NO. Iqukethe i-tetrabutylphosphonium cation ehlanganiswe ne-acetate anion. Le nhlanganisela yaziwa ngezakhiwo zayo ezihlukile, okuhlanganisa ukuncibilika okuhle kakhulu ezinyibilikisini eziphilayo kanye nekhono layo lokusebenza njenge-phase-transfer catalyst. I-TBPA ifundwa kabanzi ngezicelo zayo ezingaba khona ekuhlanganiseni izinto eziphilayo kanye nesayensi yezinto ezibonakalayo, ngenxa yamakhono ayo okuhlanganisa ama-ion asebenzayo kanye nokuqina ngaphansi kwezimo ezahlukahlukene zokusabela.
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1-Butylpyridinium bromide CAS:874-80-6
1-I-Butylpyridinium bromide iyi-quaternary ammonium salt ene-molecular formula C12H16BrN. Yakhiwe yiqembu le-butyl elixhunywe endandatho ye-pyridine, kanye ne-bromide ion. Le nhlanganisela iyaziwa ngezakhiwo zayo ezihlukile, ikakhulukazi ikhono layo lokusebenza njenge-phase transfer catalyst ephumelelayo ekwakhiweni kwezinto eziphilayo. Ukuqina kwayo kanye nokuncibilika kwayo ezinyibilikisini ezahlukahlukene kuyenza ibe yi-reagent ebalulekile ezinqubweni zamakhemikhali zanamuhla, ikakhulukazi ekwenzeni lula ukusabela okubandakanya izinhlobo ze-ionic.
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I-3-Methoxybenzyltriphenylphosphonium chloride CAS:18880-05-2
3-I-Methoxybenzyltriphenylphosphonium chloride iyinhlanganisela ye-organophosphorus enefomula yama-molecule i-C24H24ClO-P. Yakha iqembu le-triphenylphosphonium elixhunywe engxenyeni ye-3-methoxybenzyl, eliyinika izakhiwo ezihlukile eziwusizo ezinhlelweni ezahlukahlukene zokwenziwa kwezinto eziphilayo. Le nhlanganisela isebenza njenge-reagent eguquguqukayo, ikakhulukazi ekwakhiweni kwama-phosphonium ylides, okuyizinto ezibalulekile ezishintshashintshayo zamakhemikhali eziningana. Isakhiwo sayo sisiza ekuzinzeni nasekusebenzeni kwayo kabusha, okwenza ibe ithuluzi eliwusizo kumakhemikhali wesimanje wezinto eziphilayo.
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I-Methyl(triphenyl)phosphonium chloride CAS:896-33-3
I-Methyl(triphenyl)phosphonium chloride iyinhlanganisela ye-organophosphorus enefomula yama-molecule i-C19H20ClP. Iqukethe iqembu le-methyl elixhunywe engxenyeni ye-triphenylphosphonium, okwenza kube yi-reagent ebalulekile ekuhlanganisweni kwezinto eziphilayo. Le nhlanganisela isebenza njengesandulela esiguquguqukayo sokwenza ama-phosphonium ylides, angama-intermediate abalulekile ekuphenduleni okuhlukahlukene kwezinto eziphilayo. Isakhiwo sayo esiyingqayizivele sithuthukisa ukuzinza kanye nokusabela, siyibeka njengethuluzi eliwusizo kumakhemikhali wesimanje wezinto eziphilayo.
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I-Ethyltriphenylphosphonium acetate CAS:35835-94-0
I-Ethyltriphenylphosphonium acetate iyinhlanganisela ye-organophosphorus enefomula yama-molecule i-C22H25O2P. Ineqembu le-ethyl elixhunywe engxenyeni ye-triphenylphosphonium, ehlanganiswe neqembu le-acetate, elinikeza izakhiwo ezihlukile ezizuzisa ukwenziwa kwezinto eziphilayo. Le nhlanganisela isebenza njenge-reagent eguquguqukayo, ikakhulukazi ekwakhiweni kwama-phosphonium ylides, futhi yaziwa ngokuzinza kwayo kanye nokusebenza kwayo, okwenza ibe ithuluzi eliwusizo kumakhemikhali e-organic yesimanje.
