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1,2,3,4-Di-O-Isopropylidene-alpha-D-galactopyranose CAS:4064-06-6

1,2:3,4-Di-O-isopropylidene-D-galactopyranose waa iskudhis kiimiko ah oo ka tirsan qoyska galactopyranose derivatives.Waxaa caadi ahaan loo isticmaalaa kimisteriga dabiiciga ah sida wakiilka ilaalinta kooxaha hydroxyl ee ku jira sonkorta, gaar ahaan galactose.Xarunta waxaa lagu farsameeyaa iyadoo la falcelinayo D-galactose leh acetone si loo sameeyo derivative diacetone, ka dibna lagu daaweeyaa acid si loo sameeyo derivative di-O-isopropylidene.Kala soocidaani waxay ilaalisaa kooxaha hydroxyl, ka hortagga falcelinta aan la rabin inta lagu jiro isku-darka kiimikada, waxaana si xushmad leh looga saari karaa si loo soo nooleeyo xaruntii asalka ahayd.Qaab dhismeedkeeda is haysta iyo xasilloonida ayaa ka dhigaysa mid faa'iido u leh codsiyada kala duwan ee gudaha beerta isku-dhafka organic.


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Codsiga iyo Saamaynta

Saamaynta ugu weyn ee 1,2: 3,4-Di-O-isopropylidene-D-galactopyranose waa in la ilaaliyo kooxaha hydroxyl ee molecule galactose.Tan waxaa lagu gaaraa iyada oo la samaynayo derivative acetal cyclic, kaas oo xannibaya falcelinta kooxaha hydroxyl. Hal codsi oo xaruntan ah ayaa ku jira kiimikada karbohaydraytyada iyo isku-dhafka.Iyadoo la ilaalinayo kooxaha hydroxyl, 1,2: 3,4-Di-O-isopropylidene-D-galactopyranose waxay awood u yeelataa fal-celinta xulashada ee kooxaha kale ee shaqeynaya, iyada oo aan la rabin fal-celin aan loo baahnayn ee meelaha hydroxyl.Tani waxay u oggolaaneysaa in si hufan loo maareeyo loona beddelo molecule galactose. Intaa waxaa dheer, soo-saarkan waxaa loo isticmaali karaa isku-darka alaabada dabiiciga ah ee kala duwan iyo daawooyinka ay ku jiraan unugyada galactose.Waxay ka caawisaa in dhismaha molecules adag, halkaas oo la xakameeyey iyo falcelinta la xushay ayaa loo baahan yahay. Intaa waxaa dheer, xarunta this ayaa codsiyada in wax soo saarka ee kiimikooyinka gaarka ah, sida surfactants iyo polymers, halkaas oo wax ka beddelka gaar ah ee molecules ku salaysan galactose la doonayo. Guud ahaan, ka isticmaalka 1,2: 3,4-Di-O-isopropylidene-D-galactopyranose sida wakiilka ilaalinta waxay awood u siinaysaa si hufan iyo wax ka beddelka xeryahooda galactose-ku jira qaybo kala duwan, oo ay ku jiraan kiimikada organic, daawooyinka, iyo sayniska alaabta.

Tusaalaha Alaabta

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Xiritaanka alaabta:

6892-68-8-3

Xog dheeraad ah:

Halabuurka C12H20O6
Qiimayn 99%
Muuqashada budo cad
CAS Maya. 4064-06-6
Baakad Yar iyo weyn
Nolosha shelf 2 sano
Kaydinta Ku kaydi meel qabow oo qalalan
Shahaado ISO.

 


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