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Lihlahisoa

Di-tert-butyl dicarbonate

Tlhaloso e Khutšoanyane:


  • Lebitso la Sehlahisoa:Di-tert-butyl dicarbonate
  • Mantsoe a tšoanang:(BOC)2O;(BOC)2O FLUKA;BOC;BOC ANHYDRIDE;tert-butyldicarbonate;PYROCARBONIC ACID DI-TERT-BUTYL ESTER;RARECHEM TB OC 0001;Boc Anhydride, e tiileng/mokelikeli
  • CAS:24424-99-5
  • MF:C10H18O5
  • MW:218.25
  • EINECS:246-240-1
  • Lihlopha tsa lihlahisoa:Bohareng ba Meriana;Ho qala Lisebelisoa tse tala le tse ka hare; Li-Amino Acid Derivatives;Organics;N-Protecting Reagents;Biochemistry;Peptide Synthesis;Tsireletso & Derivatization Reagents (bakeng sa Synthesis); Lisebelisoa tse Sireletsang (Peptide Synthesis);Reagents bakeng sa Synthesis ea Oligosa; Letoto la li-amino acid tsa Boc-Amino;Mesebetsi e Menyenyane;DIBOC;1H-Inden-1-ol;bc0001;24424-99-5
  • Mol File:24424-99-5.mol
  • Lintlha tsa Sehlahisoa

    Li-tag tsa Sehlahisoa

    sdfsdfs1

    Di-tert-butyl dicarbonate Chemical Properties

    Sebaka se qhibilihang 23 °C (hote.)
    Ntho e belang 56-57 °C/0.5 mmHg (lit.)
    tekano 0.95 g/mL ho 25 °C (hote.)
    khatello ea mouoane 3.85Pa ho 25 ℃
    index ea refractive n20/D 1.409(lit.)
    Fp 99 °F
    mocheso oa polokelo. 2-8°C
    sebopeho Crystalline e tsitsitseng e tlase
    mmala Bosoeu
    Matla a Khoheli a khethehileng 0.950
    Ho qhibiliha ha Metsi E kopantsoe le decalin, toluene, carbon tetrachloride, tetrahydrofuran, dioxane, alcohols, acetone, acetonitrile le dimethylformamide.E sa kopane le metsi.
    E hloahloa E Mamela Mongobo
    BRN 1911173
    InChIKey DYHSDKLCOJIUFX-UHFFFAOYSA-N
    LogP 1.87 ho 25 ℃
    Referense ea CAS DataBase 24424-99-5(CAS DataBase Reference)
    EPA Substance Registry System Dicarbonic acid, bis(1,1-dimethylethyl) ester (24424-99-5)

    Boitsebiso ba Tšireletseho

    Likhoutu tsa Kotsi T+,T,F,Xi,F+
    Lipolelo tsa Kotsi 11-19-26-36/37/38-43-10-40
    Lipolelo tsa Tšireletseho 16-26-28-36/37-45-7/9-37/39-24-36/37/39-33
    RIDADR UN 2929 6.1/PG 1
    WGK Jeremane 3
    RTECS HT0230000
    F 4.4-10-21
    Autoignition Mocheso 460 °C
    Tsebiso ea Kotsi E tukang mollo/E halefisang/E Chefo Haholo
    TSCA Ee
    HazardClass 6.1
    Sehlopha sa Packing I
    Khoutu ea HS 29209010
    Chefo LD50 ka molomo ho Mmutla: > 5000 mg/kg LD50 dermal Rabbit > 2000 mg/kg

    Tšebeliso ea Di-tert-butyl dicarbonate le Synthesis

    Lintho tsa Lik'hemik'hale Di-tert-butyl dicarbonate (BOC Anhydride, DiBOC) ke likristale tse se nang 'mala ho isa ho tse tšoeu ho isa ho tse mosehla, boima bo tiileng kapa mokelikeli o hlakileng.E qhibiliha ho pota mocheso oa kamore (mp=23°C).Ha e bole sebakeng sena kapa esita le mocheso o phahameng hanyane.Mohlala, hangata e hloekisoa ka ho tšeloa tlas'a khatello e fokotsehileng mochesong o fihlang ho 65°C.Ha lithempereichara tse holimo li tla bola ho ba isobutene, joala ba t-butyl le carbon dioxide.
    Lisebelisoa Di-tert-butyl dicarbonate (Boc2O) ke sesebelisoa se sebelisoang haholo ho hlahisa lihlopha tse sireletsang ka har'a peptide synthesis.E phetha karolo ea bohlokoa ho lokiseng 6-acetyl-1,2,3,4-tetrahydropyridine ka ho itšoara ka 2-piperidone.E sebetsa e le sehlopha se sireletsang se sebelisoang molemong oa ho kopanya peptide e tiileng.
    Tokisetso Ho lokisoa ha Di-tert-butyl dicarbonate ke ka tsela e latelang: Ho motsoako oa letsoai oa sodium monoester o ile oa eketsoa 2g ea N, N-dimethylformamide, 1g ea pyridine, 1g ea triethylamine, Pholiso ho -5 ~ 0 ° C, 60g diphosgene e ne e le butle-butle. e kenyellelitsoe ho theoha ka har'a 1.5h dropwise keketso e phethiloe, e futhumetse mocheso oa kamore (25 ° C), e kenngoa bakeng sa 2h, karabelo e ile ea lumelloa ho ema ka mor'a ho sefa, ho hlatsoa tharollo ea organic.E omisitsoe ka anhydrous magnesium sulfate, solvent e ile ea ntšoa ka khatello ea sepakapaka ho fana ka sehlahisoa se tala 65 ~ 70g.Ka mor'a ho pholile le ho kristale, 57-60g ea di-tert-butyl dicarbonate e ile ea fumanoa ka lihlahisoa tsa 60-63%.
    Tlhaloso ChEBI: Di-tert-butyl dicarbonate ke acyclic carboxylic anhydride.E sebetsa e amana le dicarbonic acid.
    Boitšoaro Boitšoaro ba li-aniline tse nketsoeng sebaka le Boc2O ka boteng ba palo ea stoichiometric ea 4-dimethylaminopyridine (DMAP) ka har'a motsoako o sa sebetseng (acetonitrile, dichloromethane, ethyl acetate, tetrahydrofuran, toluene) mocheso oa kamore o lebisa ho aryl isocyanates hoo e batlang e le ka bongata ba 10. min.
    Di-tert-butyl dicarbonate le 4-(dimethylamino)pyridine li hlahlobiloe hape.Boitšoaro ba bona ka li-amine le lino tse tahang
    Tlhaloso e Akaretsang Di-tert- butyl dicarbonate (Boc2O) ke reagent e sebelisoang haholo ho kenyelletsa sehlopha sa ts'ireletso sa Boc ho amine functionalities.E boetse e sebelisoa e le ntho e senyang metsi ka har'a lintho tse ling tsa tlhaho, haholo-holo ka li-carboxylic acid, lihlopha tse itseng tsa hydroxyl, kapa ka li-nitroalkane tsa mantlha.
    Kotsi Ntho e halefisang e ka bakang kotsi e mpe ea mahlo;E ka etsa hore letlalo le utloe bohloko;E chefo haholo ka ho hema
    Ho chesa le ho phatloha E tukang mollo
    Mekhoa ea ho Hloekisa Qhibiliha ester ka ho futhumatsa ho ~ 35o, 'me u e tšele ka har'a vacuum.Haeba IR le NMR (1810m 1765 cm-1 , ho CCl4 1.50 singlet) li fana ka maikutlo a hore ha li hloeke haholo, joale li hlatsoe ka tekanyo e lekanang ea H2O e nang le citric acid ho etsa hore lesela le nang le metsi le be le asiti hanyenyane, bokella lesela la manyolo le le omisa holim'a anhydrous MgSO4. 'me u e tšele ka har'a vacuum.[Mopapa le ba bang.Org Synth 57 45 1977, Keller et al.Org Synth 63 160 1985, Grehn et al.Angew Chem 97 519 1985.] E HLAHANG.

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