iphepha_ibhena

4779-31-1 Cbz-L-Asp-Obzl

4779-31-1 Cbz-L-Asp-Obzl

Inkcazelo emfutshane:

Imbonakalo Ayinambala ukuya kuMhlophe Okuqinileyo
MF C19H19NO6
MW 357.36
Ubunyulu 98+


Iinkcukacha zeMveliso

Imeko yezothutho
Inokuthuthwa kubushushu obuqhelekileyo.

Cebisa indlela yokuthumela ngenqanawa
ngomoya, ngomhlaba okanye ngolwandle

Imeko yokugcina:
I-2-8 ° C, kufuneka igcinwe kwindawo evaliweyo, ebandayo kwaye engenalanga.

beka ubomi kwishelufa
malunga neminyaka emi-2

Ubuncinci uMyalelo weQty:
1kg (uthethathethwano)

Isiqinisekiso:COA, indawo yokunyibilika, iSpecificRotation [α]D20  Siza kuthumela nayiphi na idatha oyifunayo.Kodwa kwiimveliso ezenziwe ngokwezifiso, sithumela idatha entsha emva kokuba iphumile.
Ngokuqinisekileyo, unokubona idatha ngaphambili njengereferensi.

I-D-Ls(tfa)-NCA (2)

Izithethantonye

I-ZL-asparticacidα-benzylester;

I-CBZ-ASP-OBZL;

I-N-Benzyloxycarbonyl-L-asparticacidALPHA-benzylester;

ZL-ASPARTICACIDA-BENZYLESTER;

N-[(PHENYLMETHOXY)CARBONYL]-L-ASPARTICACID1-(PHENYLMETHYL)ESTER;

I-Cbz-Asp-OBZL-OH, (S) -4-(benzyloxy) -3-(benzyloxycarbonylamino) -4-oxobutanoicacid;

I-CBZ-L-ASP-ALPHA-BENZYLESTER;

I-CBZ-L-ASPARTICACIDA-BENZYLESTER

Ukupakishwa kwangaphakathi

Zihlala zisetyenziselwa ukupakisha umgubo.Kuxhomekeke kwiimfuno zabathengi.Ke ngoko, sixelele ngemfuno yakho phambi kokupakisha ukuba unezicelo ezizodwa.

Ukupakisha kwangaphakathi 2
Ukupakisha kwangaphakathi 1
Ukupakisha kwangaphakathi 3

ukupakisha kwangaphandle

I-1kg ukuya kwi-25kg Ukupakisha kwangaphandle kunzima.Kwaye kunzima ukusika kunye nomonakalo.Inokukhusela iimveliso zakho ngokugqibeleleyo.

Ukupakisha kwangaphandle 3
Ukupakisha kwangaphandle 2
Ukupakisha kwangaphandle 1

Usetyenziso

I-Ester yenziwe kwi-esterization reaction ye-asidi ye-inorganic okanye i-asidi ephilayo okanye utywala.Utywala okanye i-phenol okanye i-anhydride ene-acidic, i-alcohol kunye ne-ethylene, i-acidic yamahhala kunye ne-fatty nitrogen derivatives nayo inokuvelisa i-ester.I-hydrogen kwi-alpha-carbon kwii-molecule ze-ester ilahlekelwa utywala be-molecular kunye nenye i-molecular ester phantsi kweemeko ze-alkaline ukuvelisa i-β-keto ester, ebizwa ngokuba yi-ester contraction reaction.Ngokomzekelo, i-acetyl acetate yenziwe ukuvelisa i-acetyl ethyl acetate.Le mpendulo ibaluleke kakhulu kwi-organic synthesis.

Igama le-ester livela kwigama elihambelanayo le-carboxylic acid kunye notywala okanye i-phenol, njenge "asidi ethile kunye ne-ester ethile".Ii-esters zesangqa zibizwa ngokuba yilactone (lactone).Iimpawu zeekhemikhali ze-ester zifana ne-amyl niche anhydride, ejongene ne-hydrolysis, utywala kunye ne-ammonia reaction.I-ester yomgangatho ophantsi inevumba elimnandi kunye nolwelo oluguquguqukayo olungenambala, kwaye i-ester ephezulu iqinile.I-Estes zizinyibilikisi ezibalulekileyo kunye nemathiriyeli ekrwada yokwenziwa, kwaye ezinye ii-esters ziziyobisi ngokwazo.Ngokohlobo lwe-asidi, i-ester inokohlulwa ibe yi-ester ye-asidi ye-inorganic kunye ne-organic acid ester.I-Etate, i-ethyl acetate yi-ester enamafutha, i-acetate yi-ester enevumba elimnandi, kunye ne-namanonate yi-cyclic ester.

I-ester ngokuqhelekileyo ilulwelo olungenambala olungathathi hlangothi.I-ester eyenziwa ngumdyarho onamafutha kunye notywala obuhluthisiweyo inevumba lesiqhamo, elinokuchithwa emanzini, kwaye kunzima ukunyibilika emanzini.Enye i-ester flash point iphantsi kwaye ihlala itshisa.I-steam inokuthatyathwa ngumzila wokuphefumula, kwaye i-ester ye-liquid inokuthi ifakwe eluswini.Emva kokufunxa, inyibilika kwiplasma, kwaye ezinye zazo zikhutshwa ngemiphunga kunye nezintso.Emva kwe-hydrolysis ethile, jika ube yinkqubo eqhelekileyo ye-metabolic.Ukongeza kwiikhompawundi ezimbalwa ze-ester, uninzi lwazo zinetyhefu kakhulu kwaye zinetyhefu kakhulu, kwaye uninzi lwazo zinetyhefu kwiindidi ezinetyhefu eziphakathi, kwaye uninzi lwazo alunatyhefu.Kukho ii-esters ezingama-38 kumaqela ephunga leti.Ikakhulu: ① i-ester enamafutha: aveliswa butywala kunye namafutha, njenge-ethyl acetate, i-hexyl hexyate.② I-ester enevumba elimnandi: yenziwe ngotywala kunye ne-asidi enevumba elimnandi, njengeShun-3-hexylzyl.③ I-Circin esters: yenziwe ngotywala kunye ne-cyclocar, njenge-jasmone hyacxide.I-ester ngokuqhelekileyo ingathathi hlangothi, enokuthi ifakwe i-hydrolyzed kwaye ivelise utywala kunye ne-asidi.Amanani ekhabhoni ephantsi adla ngokuba lulwelo olunevumba elimnandi, kwaye amanani ekhabhoni aphezulu abulwelo kunye nezinto eziqinileyo ezinganyibilikiyo emanzini.

iimveliso ezinxulumene

HL-Asp-OH HD-Asp-OH I-DL-Asp I-HL-Asp(OBzl)-NCA
I-HL-ASP(OBZL)-OTBU.HCl I-HL-Asp(OBzl)-OBzl.HCl L-Asp(Otbu)-Obzl.Hcl I-HD-Asp-OBzl
I-Asp(Obzl) I-HL-Asp(OBzl)-OH I-HD-Asp (OBzl)-OH I-HL-Asp(OBzl)-OBzl•TosOH
HL-Asp-OBzl I-Asp(Obzl)2 DL-Asp (Obzl)-Obzl I-Boc-D-Asp(OBzl)-OH
I-Boc-D-Asp-OBzl Fmoc-L-Asp-Obzl Cbz-D-Asp (Obzl) Cbz-L-Asp(obzl)-Obzl

Kutheni Khetha Thina

1. Malunga ne-MOQ: Sinokuyilungisa ngokwemfuno yakho.
2. Malunga nesampuli: Isampuli idinga umrhumo wesampuli, onokuthi ube yimpahla yokuqokelela okanye unokuhlawula kuthi kwangaphambili.
3. Iworkshop yokungunda, ingenziwa ngokwezifiso ngokwenani leemodeli.
4. Sinikezela ngeyona nkonzo ibalaseleyo.Iqela lokuthengisa elinamava sele lisebenzela wena.
5. Malunga notshintshiselwano: Nceda uthumele i-imeyile okanye uxoxe nam ngokufanelekileyo.


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