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(-)-DIPIVALOYL-L-TARTARIC ACID CAS:65259-81-6
(-)-I-Dipivaloyl-L-tartaric acid iyinhlanganisela ye-chiral etholakala ku-tartaric acid, ebonakala ngokuba khona kwamaqembu amabili e-pivaloyl anamathele ekusebenzeni kwe-hydroxyl. Ngefomula yama-molecule C13H22O6, le nhlanganisela ikhombisa izakhiwo ezihlukile ezenza ibe yigugu ekuhlanganisweni okungalingani kanye ne-catalysis. Ukwethulwa kwamaqembu e-pivaloyl kuthuthukisa inqwaba ye-steric ezungeze izikhungo ze-chiral, okukhuthaza ukusabela okukhethayo. Ukusetshenziswa kwayo kuhlanganisa amasimu ahlukahlukene, kufaka phakathi imithi kanye namakhemikhali ezolimo, lapho isebenza khona njenge-chiral assistant noma i-ligand. Ucwaningo oluqhubekayo luyaqhubeka nokuhlola amandla alo okuthuthukisa izinqubo ezintsha ze-catalytic kanye namakhemikhali amasha e-chiral.
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I-5-Bromonicotinic acid CAS:20826-04-4
I-5-Bromonicotinic acid iyi-brominated derivative ye-nicotinic acid, ehlukaniswa ngokuba khona kwe-athomu ye-bromine endaweni engu-5 yendandatho ye-pyridine. Le nhlanganisela ibonisa izakhiwo zamakhemikhali nezamakhemikhali eziphawulekayo, okwenza ibe yinto ebalulekile kumakhemikhali ezokwelapha. Isakhiwo sayo esiyingqayizivele sinikeza izinsiza zayo ezingaba khona ekuthuthukisweni kwemithi, ngezifundo ezibonisa imisebenzi engaba khona yokulwa namagciwane kanye nokulwa nokuvuvukala. I-bromine substituent ithuthukisa ukusabela kwenhlanganisela, ihlinzeke ngokuguqulwa okuhlukahlukene kokwenziwa. Njengoba abacwaningi beqhubeka nokuhlola amandla ayo okwelapha, i-5-bromonicotinic acid isalokhu iyinhlanganisela ebalulekile ekuthuthukisweni kwemithi emisha kanye namakhemikhali ezolimo.
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2,5-Dimethylphenylhydrazine hydrochloride CAS:56737-78-1
I-2,5-Dimethylphenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule i-C9H12N2·HCl. Le derivative ye-hydrazine inamaqembu amabili e-methyl anamathele endandatho ye-phenyl ezindaweni ezi-2 nezi-5. Ngokuvamile ivezwa njenge-crystalline solid emhlophe futhi isetshenziswa kakhulu ekuhlanganisweni kwezinto eziphilayo kanye nocwaningo lwemithi. Izici ezihlukile zesakhiwo sale nhlanganisela ziyenza ikwazi ukuhlanganyela ekusabeleni okuhlukahlukene kwamakhemikhali, okwenza kube yindawo ebalulekile yokuthuthukisa izinto eziphilayo nezinye izinto ezisebenzayo.
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2,4-Difluorophenylhydrazine hydrochloride CAS:51523-79-6
I-2,4-Difluorophenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule i-C6H6F2N2·HCl. Iyi-derivative ye-hydrazine ebonakala ngama-athomu amabili e-fluorine afakwe esikhundleni sezindawo ezi-2 nezi-4 endandatho ye-phenyl. Ngokuvamile ibonakala njenge-crystalline solid emhlophe kuya kwephuzi elikhanyayo, le nhlanganisela isetshenziswa kakhulu ekuhlanganisweni kwezinto eziphilayo kanye nocwaningo lwemithi. Isakhiwo sayo esiyingqayizivele sivumela ukusabela okuphawulekayo, okwenza kube yindawo ebalulekile ekulungiseleleni izinto ezahlukahlukene ezisebenzayo nezinto ezisebenzayo.
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I-3-Chlorophenylhydrazine hydrochloride CAS:2312-23-4
3-I-Chlorophenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule C6H7ClN2·HCl. Iqukethe iqembu le-chlorophenyl elixhunywe engxenyeni ye-hydrazine, ikakhulukazi ne-chlorine substituent etholakala endaweni ye-meta yendandatho ye-phenyl. Le nhlanganisela ivame ukubonakala njengekristalu elimhlophe kuya eliphuzi elikhanyayo futhi isebenza njengesikhungo esibalulekile ekuhlanganisweni kwezinto eziphilayo. Isakhiwo sayo samakhemikhali esiyingqayizivele siyenza ikwazi ukubhekana nokusabela kwamakhemikhali ahlukahlukene, okwenza ibe wusizo ekuthuthukisweni kwamakhemikhali asebenzayo nezinto ezikhethekile.
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I-4-Ethylphenylhydrazine hydrochloride CAS:53661-18-0
4-I-Ethylphenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule C10H14N2·HCl. Iqukethe iqembu le-ethyl elixhunywe esakhiweni se-phenylhydrazine, ikakhulukazi endaweni ye-para. Le nhlanganisela ivame ukubonakala njenge-crystalline solid emhlophe noma engeyona emhlophe futhi isebenza njenge-intermediate ebalulekile ekuphenduleni kwamakhemikhali ahlukahlukene. Izakhiwo zayo ezihlukile zamakhemikhali ziyivumela ukuthi idlale indima ebalulekile ekuhlanganiseni kwezinto eziphilayo kanye nokuthuthukiswa kwama-molecule asebenzayo.
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2,6-Dichlorophenylhydrazine hydrochloride CAS:50709-36-9
I-2,6-Dichlorophenylhydrazine hydrochloride iyinhlanganisela yamakhemikhali enefomula yama-molecule i-C6H6Cl2N2·HCl. Iyi-derivative ye-hydrazine ebonakala ngokuba khona kokufakwa esikhundleni kwe-dichloro endandatho ye-phenyl. Le nhlanganisela ibonakala njenge-crystalline solid emhlophe kuya kwemhlophe futhi isetshenziswa kakhulu ekuhlanganisweni kwezinto eziphilayo kanye nezicelo zemithi. Isakhiwo sayo esiyingqayizivele sinikeza izindlela zokwenza izinto ezahlukahlukene, okwenza ibe usizo ekulungiseleleni amakhemikhali ahlukahlukene asebenzayo.
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I-4-Cyanophenylhydrazine hydrochloride CAS:2863-98-1
4-I-Cyanophenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule C7H8N4·HCl. Inesakhiwo se-phenylhydrazine esineqembu le-cyano (-CN) elibekwe endaweni yendandatho ye-aromatic. Le nhlanganisela ivame ukubonakala njenge-crystalline solid emhlophe kuya kwephuzi ekhanyayo futhi isebenza njenge-intermediate ebalulekile ekuhlanganisweni kwezinto eziphilayo. Izakhiwo zayo zamakhemikhali ezihlukile ziyivumela ukuthi ihlanganyele ekusabeleni okuhlukahlukene, okwenza kube wusizo ekwakheni amakhemikhali asebenzayo nezinye izinto ezisebenzayo.
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I-4-Nitrophenylhydrazine hydrochloride CAS:636-99-7
I-4-Nitrophenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule C6H7N3O2·HCl. Ibonakala ngeqembu le-nitro (-NO2) elinamathiselwe endaweni ye-para yengxenye ye-phenylhydrazine. Le nhlanganisela ivame ukubonakala njenge-crystalline solid ephuzi ephuzi futhi isetshenziswa kakhulu ekwakhiweni kwezinto eziphilayo kanye namakhemikhali okuhlaziya. Ukuba khona kokusebenza kwe-hydrazine kanye ne-nitro kuvumela ububanzi obukhulu bokusabela kwamakhemikhali, okwenza kube yindawo ebalulekile ekulungiseleleni izinto ezahlukahlukene ezisebenzayo kanye nezinye izinto ezisebenzayo.
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I-3-Methoxyphenylhydrazine hydrochloride CAS:39232-91-2
3-I-Methoxyphenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule C8H10N2O·HCl. Iqukethe iqembu le-methoxy (-OCH3) elibekwe endaweni ye-meta endandatho ye-phenylhydrazine. Le nhlanganisela ibonakala njengekristalu eliqinile elimhlophe kuya eliphuzi elikhanyayo futhi isebenza njengesikhungo esibalulekile ekuhlanganisweni kwezinto eziphilayo. Isakhiwo sayo samakhemikhali esiyingqayizivele siyivumela ukuthi ihlanganyele ekusabeleni okuhlukahlukene, okwenza kube usizo ekwakheni amakhemikhali asebenzayo nezinye izinto ezisebenzayo.
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I-3-Nitrophenylhydrazine hydrochloride CAS:636-95-3
3-I-Nitrophenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule C6H7N3O2·HCl. Iqukethe iqembu le-nitro (-NO2) elitholakala endaweni ye-meta yesakhiwo se-phenylhydrazine. Le nhlanganisela ivame ukubonakala njenge-crystalline solid ephuzi kuya ko-orenji futhi isetshenziswa ikakhulukazi ekuhlanganisweni kwezinto eziphilayo kanye nezicelo zokuhlaziya. Ukuba khona kokusebenza kwe-hydrazine kanye ne-nitro kuvumela ukusabela okuhlukahlukene, okwenza kube yindawo ebalulekile ekulungiseleleni ama-molecule ahlukahlukene asebenzayo nezinto ezisebenzayo.
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3,4-Dimethylphenylhydrazine hydrochloride CAS:60481-51-8
I-3,4-Dimethylphenylhydrazine hydrochloride iyinhlanganisela yezinto eziphilayo enefomula yama-molecule i-C9H12N2·HCl. Le derivative ye-hydrazine inamaqembu amabili e-methyl afakwe esikhundleni sendandatho ye-phenyl ezindaweni ezingu-3 no-4. Ngokuvamile itholakala njenge-crystalline solid emhlophe futhi idlala indima ebalulekile ekuhlanganisweni kwezinto eziphilayo kanye nocwaningo lwemithi. Izakhiwo ezihlukile zesakhiwo sale nhlanganisela ziyivumela ukuthi ihlanganyele ekusabeleni okuhlukahlukene kwamakhemikhali, okwenza kube yindawo ebalulekile yokuthuthukiswa kwamakhemikhali asebenzayo nezinye izinto ezisebenzayo.
