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Gruppi protettivi

Gruppi protettivi

I gruppi protettivi sono utilizzati nella sintesi organica per mascherare temporaneamente gruppi funzionali reattivi, consentendo reazioni selettive senza interferenze. Questi gruppi sono essenziali nei processi di sintesi multi-step, assicurando che parti specifiche della molecola rimangano non reattive mentre vengono eseguite altre reazioni. In questa sezione troverai una varietà di gruppi protettivi adatti a diversi gruppi funzionali, insieme a reagenti per la loro introduzione e rimozione. Presso CymitQuimica, offriamo una gamma completa di gruppi protettivi di alta qualità per facilitare le tue strategie sintetiche.

Sottocategorie di "Gruppi protettivi"

Trovati 444 prodotti di "Gruppi protettivi"

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  • Pivalic Anhydride

    CAS:
    Formula:C10H18O3
    Purezza:>98.0%(GC)
    Colore e forma:Colorless to Almost colorless clear liquid
    Peso molecolare:186.25

    Ref: 3B-P1414

    25ml
    44,00€
    250ml
    213,00€
  • 4',5'-Dimethoxy-2'-nitroacetophenone

    CAS:
    Formula:C10H11NO5
    Purezza:>98.0%(GC)
    Colore e forma:Light orange to Yellow to Green powder to crystal
    Peso molecolare:225.20

    Ref: 3B-D5477

    1g
    70,00€
    5g
    228,00€
  • 6-Bromo-7-hydroxy-4-(hydroxymethyl)coumarin

    CAS:
    Formula:C10H7BrO4
    Purezza:>98.0%(T)
    Colore e forma:White to Light yellow to Light orange powder to crystal
    Peso molecolare:271.07

    Ref: 3B-B5738

    1g
    712,00€
    250mg
    220,00€
  • Triethylsilyl Trifluoromethanesulfonate

    CAS:
    Formula:C7H15F3O3SSi
    Purezza:>98.0%(T)
    Colore e forma:Colorless to Light yellow to Light orange clear liquid
    Peso molecolare:264.33

    Ref: 3B-T1689

    5g
    38,00€
    25g
    93,00€
  • 4-Nitrobenzenesulfonyl Chloride

    CAS:
    Formula:C6H4ClNO4S
    Purezza:>98.0%(GC)(T)
    Colore e forma:White to Orange to Green powder to crystal
    Peso molecolare:221.61

    Ref: 3B-N0144

    5g
    27,00€
    25g
    56,00€
    100g
    151,00€
  • Chlorodiphenylphosphine

    CAS:
    Formula:C12H10ClP
    Purezza:>97.0%(T)
    Colore e forma:Colorless to Light yellow to Light orange clear liquid
    Peso molecolare:220.64

    Ref: 3B-C0597

    25g
    46,00€
    100g
    108,00€
    500g
    329,00€
  • Di-tert-butyl Dicarbonate (ca. 30% in Toluene)

    CAS:
    Formula:C10H18O5
    Colore e forma:Colorless to Almost colorless clear liquid
    Peso molecolare:218.25

    Ref: 3B-D3880

    100g
    70,00€
    400g
    155,00€
  • Di-tert-butyldichlorosilane

    CAS:
    Formula:C8H18Cl2Si
    Purezza:>95.0%(GC)
    Colore e forma:Colorless to Light yellow clear liquid
    Peso molecolare:213.22

    Ref: 3B-D2469

    5g
    143,00€
  • 1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane [Hydroxyl Protecting Agent]

    CAS:
    Formula:C12H28Cl2OSi2
    Purezza:>97.0%(GC)
    Colore e forma:Colorless to Almost colorless clear liquid
    Peso molecolare:315.43

    Ref: 3B-D1608

    5g
    77,00€
    25g
    218,00€
  • Chloro(ethyl)dimethylsilane [Dimethylethylsilylating Agent]

    CAS:
    Formula:C4H11ClSi
    Purezza:>97.0%(GC)
    Colore e forma:Colorless to Almost colorless clear liquid
    Peso molecolare:122.67

    Ref: 3B-D0135

    5g
    57,00€
    25g
    175,00€
  • H-L-Cys(mdnpe)-OH

    CAS:
    <p>A novel protected cysteine that can be cleaved by photolysis.</p>
    Formula:C12H14N2O6S
    Purezza:Min. 95%
    Peso molecolare:314.32 g/mol

    Ref: 3D-BMC07843

    25mg
    305,00€
    50mg
    429,00€
    100mg
    636,00€
    250mg
    965,00€
    500mg
    1.419,00€
  • Fmoc-D-allo-Thr(tBu)-L-Ser(Psi(Me,Me)pro)-OH


    <p>Fmoc-D-allo-Thr(tBu)-L-Ser(Psi(Me,Me)pro)-OH is a reagent that is used as an intermediate in the synthesis of complex compounds. It is also a fine chemical that can be used to prepare speciality chemicals. Fmoc-D-allo-Thr(tBu)-L-Ser(Psi(Me,Me)pro)-OH has CAS No. and can be used as a reaction component in various reactions. This compound is versatile and can be used as a building block for other compounds.</p>
    Formula:C29H36N2O7
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:524.61 g/mol

    Ref: 3D-FF156923

    ne
    Prezzo su richiesta
  • Fmoc-Cys-(CAMTrt)-OH

    CAS:
    <p>Fmoc-Cys-(CAMTrt)-OH is an amino acid derivative, which is a synthetic compound essential for peptide synthesis. It is derived from natural cysteine, an amino acid found in proteins, and is modified with an Fmoc (9-fluorenylmethoxycarbonyl) protective group and a CAMTrt (trityl sulfonium ion) moiety. This derivative is used primarily in solid-phase peptide synthesis, where the Fmoc group protects the amine during chain elongation, and the CAMTrt group safeguards the thiol function of cysteine, preventing unwanted side reactions during synthesis.</p>
    Formula:C39H34N2O5S
    Purezza:Min. 98 Area-%
    Peso molecolare:642.76 g/mol

    Ref: 3D-F-6981

    1g
    358,00€
    100g
    7.763,00€
  • Fmoc-Thr(tBu)-D-Ser(Psi(Me,Me)pro)-OH


    <p>Fmoc-Thr(tBu)-D-Ser(Psi(Me,Me)pro)-OH is a speciality chemical that is used as a reagent for peptide synthesis. It is also useful in the synthesis of complex compounds and scaffolds. This compound has high quality with a CAS number of 56610-81-8. Fmoc-Thr(tBu)-D-Ser(Psi(Me,Me)pro)-OH is a versatile building block that can be used in reactions involving amines and carboxylic acids. Fmoc-Thr(tBu)-D-Ser(Psi(Me,Me)pro)-OH is an intermediate that can be used in the synthesis of many different compounds.</p>
    Formula:C29H36N2O7
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:524.61 g/mol

    Ref: 3D-FF157283

    1g
    1.110,00€
    2g
    1.430,00€
    5g
    1.975,00€
    10g
    2.598,00€
    500mg
    843,00€
  • Fmoc-L-Cys(StBu)-OH

    CAS:
    <p>Fmoc-L-Cys(StBu)-OH is a synthetic molecule that is used in pharmaceutical formulations. It can be synthesized from Fmoc-L-Cys and L-serine methyl ester by the chemical ligation of the two molecules. The chloride group at the end of this molecule provides a functional group for conjugation with other biomolecules, such as fatty acids. This molecule has been shown to have high purity with an isolated yield of about 98%.</p>
    Formula:C22H25NO4S2
    Purezza:Min. 98 Area-%
    Colore e forma:Powder
    Peso molecolare:431.57 g/mol

    Ref: 3D-FF41067

    2g
    183,00€
    5g
    344,00€
    10g
    543,00€
    25g
    1.137,00€
    50g
    2.066,00€
  • Cbz-L-glutamine

    CAS:
    <p>Cbz-L-glutamine is a water soluble compound that is used in the synthesis of pomalidomide. It is synthesized through a stepwise amide formation from methylamine and ethylene diamine. Cbz-L-glutamine has been shown to have an inhibitory effect on cancer cells, which may be due to its ability to break down hydroxamic acids. This chemical reaction causes the release of hydrogen ions, which leads to the disruption of various cellular processes, such as DNA replication and protein synthesis. The uptake of Cbz-L-glutamine by cancer cells has been shown in tissue culture experiments.</p>
    Formula:C13H16N2O5
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:280.28 g/mol

    Ref: 3D-FC39401

    1kg
    413,00€
    2kg
    661,00€
    5kg
    1.116,00€
    500g
    282,00€
  • Fmoc-N-Me-Asp(OtBu)-OH

    CAS:
    <p>Fmoc-N-Me-Asp(OtBu)-OH is a synthetic peptide with potential immunosuppressive properties. It has been shown to inhibit the proliferation of human lymphocytes in response to lipopolysaccharides (LPS) and also to suppress the release of cytokines such as IL-1β, IL-6, and TNFα. The effects were dose dependent and could be reversed by the addition of a neutralizing antibody. This peptide can be used as an immunosuppressant in clinical trials that are investigating treatments for myasthenia gravis. Fmoc-N-Me-Asp(OtBu)-OH has been synthesised using chemical synthesis methods from commercially available reagents.</p>
    Formula:C24H27NO6
    Purezza:Min. 98 Area-%
    Colore e forma:Powder
    Peso molecolare:425.47 g/mol

    Ref: 3D-FF48597

    1g
    229,00€
    2g
    403,00€
    5g
    793,00€
    10g
    1.280,00€
    25g
    2.078,00€
  • Boc-L-prolinal

    CAS:
    <p>Boc-L-prolinal is a stereoselective enolate that has been used in the synthesis of organometallic compounds. It is also used in the preparation of monoclonal antibodies, which are proteins that are produced by the immune system to help fight off infections. Boc-L-prolinal has been shown to be an effective agent for treating many cancers, including breast cancer and melanoma. In addition, it has been shown to inhibit epidermal growth factor (EGF) and other growth factors, which may be due to its ability to induce apoptotic signaling. Boc-L-prolinal also contains a carbonyl group, which can undergo acidolysis reactions with nucleophiles such as water or alcohols.</p>
    Formula:C10H17NO3
    Purezza:Min. 95%
    Colore e forma:Colorless Clear Liquid
    Peso molecolare:199.25 g/mol

    Ref: 3D-FB50564

    2g
    Prezzo su richiesta
    -Unit-kgkg
    Prezzo su richiesta
  • Fmoc-D-allo-isoleucine

    CAS:
    <p>Fmoc-D-allo-isoleucine is a β-amino acid that is used in the synthesis of calpinactam, a multidrug used to treat tuberculosis. The chemical structure of Fmoc-D-allo-isoleucine has been analyzed by spectroscopic methods and found to be labile. This product is susceptible to hydrolysis and can undergo modifications such as dehydration, oxidation, or racemization. Fmoc-D-allo-isoleucine has shown antimycobacterial activity when tested against M. tuberculosis.</p>
    Formula:C21H23NO4
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:353.41 g/mol

    Ref: 3D-FF48562

    1g
    147,00€
    2g
    219,00€
    5g
    426,00€
    10g
    701,00€
    25g
    1.253,00€
  • Trityl-L-phenylalanine diethylamine

    CAS:
    <p>Trityl-L-phenylalanine diethylamine is a reagent that is used in the synthesis of peptides, reagents, and other chemicals. Trityl-L-phenylalanine diethylamine reacts with an azide to form a triazole. It can also be used to convert an acid into an amino acid. This chemical has been shown to be sensitive to plasmin, which may lead to degradation during peptide synthesis.</p>
    Formula:C28H25NO2·C4H11N
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:480.64 g/mol

    Ref: 3D-FT48947

    2g
    136,00€
    5g
    242,00€
    10g
    400,00€
    25g
    713,00€
    50g
    1.076,00€