Imikhiqizo
18-Umqhele-6x; I-CAS No.: 17455-13-9
Amanyanjana: 18-Rrourrothely-6; 18-Umqhele - 6 Ether; I-Ethylene oxide cyclic hexamer; I-NSC159836; 1,4,7,10,13-hexaoxacycloctooctadechane;
Impahla yamakhemikhali ye-18-Crown-6
● Ukubukeka / umbala: kuphuzi kancane
● Ingcindezi ye-Vapor: 4.09E-06mmhg ngo-25 ° C
● Iphuzu elincibilikayo: 42-45 ºC (lit.)
● Inkomba evulekayo: 1.404
● Iphuzu elibilayo: 395.8 ºC ngo-760 mmhg
● I-Flash Point: 163.8 ºC
● Psa:55.38000
● Hlensity: 0.995 g / cm3
● logp: 0.09960
● Isitoreji Temp.:Store ku-0-5 ° C
● I-SENTITE.:HGroscopic
● I-Solubity.:CHLOROFORM (kancane), Methanol (kancane kancane)
● Amanzi Solubilicity.:SOLUble
● xLogp3: -0.7
● I-Hydrogen Bond Donor Count: 0
● Isibalo sakwamandla e-hydrogen
● I-Rotatable Bond Count: 0
● Isisindo esiqondile: 264.15728848
● Isibalo se-athomu esindayo: 18
● Ukuba yinkimbinkimbi: 108
Imininingwane Ephelile
● pictograph (s):
Xn,
I-XI
● Amakhodi Anobungozi: XN, XI
● Izitatimende: 22-36 / 37/38-36-20 / 22-20 / 21/22
● Izitatimende zokuphepha: 26-36-39
-Sizayo
Amakilasi Amakhemikhali:Amanye amakilasi -> Amanye amakhompiyutha eziphilayo
Ukumamatheka kwe-canonical:C1coccoccoccoccoccoccocco1
Sebenzisa:Isigaba esiwusizo sokudluliswa kwe-Catalyst. I-18-Crown-6 isetshenziswa njenge-Tasfaction eyisambana esisebenzayo i-Catalyst futhi njenge-ejenti eyinkimbinkimbi enezinto eziningi ezincane. Kubandakanyeka ekubunjweni kwe-diaryl, ama-diaryl thoiyoethers, namadambadi ahlukaniswe yi-potassium fluoride-alumina kanye ne-18-Crown-6. Kusiza i-solubility ye-potanganum permanganate e-benzene, esetshenziselwa ukwenza ama-oxidizing compound arganic. Kusetshenziselwa ukusheshisa ukushintshanisa okuhlukahlukene kokumiswa kanye nokukhulisa amandla ama-nucleophiles afana ne-potassium acetate. Kusetshenziswa ekuphendukeni kwe-alkylation phambi kwe-potassium carbonate, n-alkylation ye-glutarimide ne-suckimide nge-dimethylcarbonanbonatebonate. Isakhiwo esisungulwe ngokusabela kwaso nge-potassium cyanide isebenza njenge-catalyst kuma-cyanosilydation ama-aldehydes, ama-ketones kanye nama-quinines ane-trimethylsilyl cyanide (TYMSCN). I-18-umqhele-6 ingahle isetshenziselwe ukulimaza i-N-Alkylation ye-heterocyclic compounds kanye ne-alllylation yama-aldehydes asebenza.
Isingeniso Esinemininingwane
18-Umqhele-6Ingabe i-cyclic ether iyahlanganisa ngefomula yamakhemikhali C12h224o6. Ibizwa ngokuthi "18-Umqhele-6" ngoba inendandatho yama-athomu ayisithupha oksijini, yakha ukwakheka komqhele, futhi inama-athomu ayi-18 carbon isiyonke. Kuyinto engenamibala, i-crystalline eqinile enyakazisa ku-organic solvents kodwa incivatible emanzini.
Igama elithi "umqhele" lisuselwa encazelweni yesakhiwo sesakhiwo esifana nomqhele ngenxa yama-athomu ayisithupha we-oksijini ahlelwe ngephethini eyindilinga. Lesi sakhiwo esiyingqayizivele sinikeza umqhele we-18-6
Enye yezimpawu ezibalulekile ze-18-Crown-6 yikhono layo lezinkinga nge-ion yensimbi. Ama-athomu we-oksijini endalini yomqhele angaxhumanisa ngezindawo zensimbi, njenge-potassium, i-sodium, noma i-calcium, ukwakha izakhiwo ezizinzile zokuzihlanganisa. Le mpahla yenza umqhele we-18-umqhele - okuyi-6 ahlanganise kakhulu emkhakheni wokuxhumana kwamakhemikhali.
Isicelo
Ukubuyiswa kwe-metal ion nge-18-Crown-6 kungaba nezicelo eziningi:
Isigaba Sokudlulisa Catalyst:Njenge-Benzyltrimethylammonium chloride,, umqhele we-18 ungasebenza njengokudlulisa kwesigaba sokudlulisa. Isiza ekudluliseleni izinhlobo ezikhokhiswayo, njengezinsimbi zensimbi, phakathi kwezigaba ezingenangqondo, okunika amandla ukusabela okuvumela ukuthi ngabe kunzima noma kungenzeki. Umqhele we-ether cavity ungavuma izizwe zensimbi, ezibavumela ukuba zidlule emafulethini noma zidlulise phakathi kwezixazululo ezahlukahlukene.
I-Metal Ion Extraction kanye nokwehlukana:I-18-umqhele-6 ivame ukusetshenziswa kumasu wokukhishwa kwe-solvent ukuze ukhiphe ukhiphe futhi uhlukanise ama-ion athile wensimbi kusuka ku-complex mixtures. Amandla awo okubopha ngamazwe athile ensimbi avumela ukwahlukaniswa kanye nokuhlanzwa kwalawa ma-oon avela kwingxube.
Ukuqashelwa kwe-Ini nokuzwa:Ukubuyiswa kwe-metal ion nge-18-Crown-6 kungasetshenziswa ekwakhiweni kwezinzwa zamakhemikhali kanye nama-electrodes akhethiwe ama-ion. Ngokufaka umqhele we-18-6 kuzinhlelo ze-sensor, kungenzeka ukukhetha nokulinganisa ukulinganisa okuqondile kwensimbi kususelwa ekubumbekeni kwabo komqhele we-ether.
Izinhlelo Zokulethwa Kwezidakamizwa:Amandla we-18-Crown-6 ukwakha izakhiwo ezinama-metal ion angasetshenziswa ezinhlelweni zokulethwa kwezidakamizwa. Ngokufaka ama-ion ion ngaphakathi komqhele emqheleni we-ether, kungenzeka ukuvikela i-ion yensimbi ngesikhathi sokuhamba futhi uwakhulule ngendlela elawulwayo endaweni eqondiwe.
Sekukonke, i-18-Crown-6 iyindawo eguquguqukayo ethola izinhlelo zokusebenza ekudluliseleni kwesigaba Catalysis, i-metal ion ukukhishwa, ukuqashelwa kwe-ion, kanye nokulethwa kwezidakamizwa. Isakhiwo saso esiyingqayizivele se-Ether
