-
2,6-Dimethylpyrazine CAS:108-50-9
I-2,6-Dimethylpyrazine iyinhlanganisela yezinto eziphilayo enefomula yama-molecule i-C7H10N2, engeyomndeni we-pyrazine wama-heterocycle aromatic. Ibonakala ngamaqembu amabili e-methyl anamathele endandatho ye-pyrazine ezindaweni ezi-2 nezi-6. Lesi sakhiwo sinikeza iphunga elihlukile lomhlabathi nelinamantongomane, okwenza i-2,6-dimethylpyrazine ibe yinto ewusizo yokunambitheka embonini yokudla. Ithuthukisa ukunambitheka kwemikhiqizo ehlukahlukene emnandi, kufaka phakathi amasoso, ukudla okulula, nokudla okuthosiwe. Ngaphezu kwalokho, izakhiwo zayo zamakhemikhali ezihlukile ziyivumela ukuthi isebenze izindima eziningi ekuhlanganiseni izinto eziphilayo, ekwakhiweni kwamakha, kanye nokusetshenziswa okungenzeka emithini yemithi.
-
I-2-Acetyl-3-methylpyrazine CAS:23787-80-6
I-2-Acetyl-3-methylpyrazine iyinhlanganisela yemvelo enefomula yama-molecule i-C7H9N2O, engowomndeni we-pyrazine. Le nhlanganisela yaziwa ngephunga layo elihlukile, elivame ukuchazwa njengephunga elicebile, elinoshukela, nelifana ne-popcorn, okwenza ikhange kakhulu ekuphekeni. Itholakala emikhiqizweni eyahlukahlukene yokudla, njengekhofi eyosiwe kanye namantongomane athosiwe, i-2-acetyl-3-methylpyrazine isetshenziswa kabanzi njenge-ejenti yokunambitheka ukuthuthukisa amaphrofayili okunambitha. Ngaphezu kwalokho, iphunga layo elimnandi liyenza ibe yigugu embonini yamakha. Ukuguquguquka kwayo kanye nezici zayo zokuzwa ezihlukile kunegalelo ekubalulekeni kwayo kokubili kwisayensi yokudla kanye nakuma-perfume.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
(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.
-
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.
-
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.
-
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.
