Grupos de protecção
Os grupos de proteção são usados na síntese orgânica para mascarar temporariamente grupos funcionais reativos, permitindo que reações seletivas ocoam sem interferência. Esses grupos são essenciais para processos de síntese em várias etapas, garantindo que partes específicas da molécula permaneçam não reativas enquanto outras reações são realizadas. Nesta seção, você encontrará uma variedade de grupos de proteção adequados para diferentes grupos funcionais, juntamente com reagentes para sua introdução e remoção. Na CymitQuimica, oferecemos uma gama abrangente de grupos de proteção de alta qualidade para facilitar suas estratégias sintéticas.
Subcategorias de "Grupos de protecção"
Produtos da "Grupos de protecção"
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N-Methylbis(trifluoroacetamide) [Trifluoroacylating Agent]
CAS:Fórmula:C5H3F6NO2Pureza:>97.0%(GC)Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:223.07Di-tert-butyl Dicarbonate (ca. 30% in Toluene)
CAS:Fórmula:C10H18O5Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:218.251,3-Dichloro-1,1,3,3-tetramethyldisiloxane
CAS:Fórmula:C4H12Cl2OSi2Pureza:>97.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:203.21N-Trimethylsilylimidazole [Trimethylsilylating Reagent]
CAS:Fórmula:C6H12N2SiPureza:>98.0%(T)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:140.26TRIMETHYLENE DI(THIOTOSYLATE)
CAS:Fórmula:C17H20O4S4Pureza:95.0%Cor e Forma:SolidPeso molecular:416.5983N-Trimethylsilylimidazole Kit SIM 1 mL × 8 / Reaction vial, capacity 2 mL × 8 [Trimethylsilylating Reagent]
CAS:Pureza:>98.0%(T)Cor e Forma:Colorless to Almost colorless clear liquid2H-1-Benzopyran-2-one, 6-bromo-7-hydroxy-4-(hydroxymethyl)-
CAS:Fórmula:C10H7BrO4Pureza:98%Peso molecular:271.0642Allyl 2,2,2-Trichloroacetimidate
CAS:Fórmula:C5H6Cl3NOPureza:>98.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:202.463-(1,3-Dithian-2-ylidene)-2,4-pentanedione
CAS:Fórmula:C9H12O2S2Pureza:>98.0%(GC)Cor e Forma:Light orange to Yellow to Green powder to crystalPeso molecular:216.31N,N-Dimethylformamide Dimethyl Acetal
CAS:Fórmula:C5H13NO2Pureza:95%Cor e Forma:LiquidPeso molecular:119.16221H-1,2,4-Triazole, 1-[(4-methylphenyl)sulfonyl]-
CAS:Fórmula:C9H9N3O2SPureza:98%Cor e Forma:SolidPeso molecular:223.25172-Methoxypropene
CAS:Fórmula:C4H8OPureza:>95.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:72.11Pentafluorophenyl Trifluoroacetate
CAS:Fórmula:C8F8O2Pureza:>95.0%(GC)Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:280.07tert-Butyl Phenyl Carbonate
CAS:Fórmula:C11H14O3Pureza:>96.0%(HPLC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:194.23Chloro(ethyl)dimethylsilane [Dimethylethylsilylating Agent]
CAS:Fórmula:C4H11ClSiPureza:>97.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:122.672-(tert-Butoxycarbonylthio)-4,6-dimethylpyrimidine [Boc Agent for Peptides Synthesis]
CAS:Fórmula:C11H16N2O2SPureza:>98.0%(T)Cor e Forma:White - Yellow Solid FormPeso molecular:240.32Ethanone, 1-(1H-imidazol-1-yl)-
CAS:Fórmula:C5H6N2OPureza:99%Cor e Forma:SolidPeso molecular:110.11391,3-Benzodithiolylium Tetrafluoroborate [Hydroxyl-Protecting Agent]
CAS:Fórmula:C7H5BF4S2Pureza:>96.0%(T)Cor e Forma:Light yellow to Brown powder to crystalPeso molecular:240.042,2,2-Trichloroethyl Chloroformate
CAS:Fórmula:C3H2Cl4O2Pureza:>98.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:211.85Di-tert-butyl Dicarbonate (ca. 30% in Dioxane)
CAS:Fórmula:C10H18O5Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:218.25Diethyl Carbonate
CAS:Fórmula:C5H10O3Pureza:>98.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:118.132-(2-Nitrophenyl)propan-1-ol
CAS:Fórmula:C9H11NO3Pureza:>98.0%(GC)Cor e Forma:Light yellow to Brown clear liquidPeso molecular:181.192-Methoxyethoxymethyl Chloride
CAS:Fórmula:C4H9ClO2Pureza:>95.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:124.56Triisopropylsilyl Chloride
CAS:Fórmula:C9H21ClSiPureza:>95.0%(GC)Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:192.80N-Phenylbis(trifluoromethanesulfonimide) [Triflating Reagent]
CAS:Fórmula:C8H5F6NO4S2Pureza:>98.0%(GC)Cor e Forma:White to Almost white powder to crystalPeso molecular:357.241-(Trimethylsilyl)-1H-imidazole
CAS:Fórmula:C6H12N2SiPureza:97%Cor e Forma:LiquidPeso molecular:140.25841-(Trifluoromethanesulfonyl)-1H-benzotriazole
CAS:Fórmula:C7H4F3N3O2SPureza:98%Cor e Forma:SolidPeso molecular:251.1858Di-tert-butyl Dicarbonate (ca. 30% in Tetrahydrofuran)
CAS:Fórmula:C10H18O5Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:218.257-(Diethylamino)-4-(hydroxymethyl)-2H-chromen-2-one
CAS:Fórmula:C14H17NO3Pureza:98.0%Cor e Forma:SolidPeso molecular:247.2896800000001Trifluoroacetyl Triflate [Powerful Trifluoroacetylating Reagent]
CAS:Fórmula:C3F6O4SPureza:>97.0%(T)Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:246.08Chlorodiphenylphosphine
CAS:Fórmula:C12H10ClPPureza:>97.0%(T)Cor e Forma:Colorless to Light yellow to Light orange clear liquidPeso molecular:220.64Acetic acid, 2,2,2-trifluoro-, 2,3,4,5,6-pentafluorophenyl ester
CAS:Fórmula:C8F8O2Pureza:98%Cor e Forma:LiquidPeso molecular:280.0716255999999N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide
CAS:Fórmula:C9H18F3NOSiPureza:97%Cor e Forma:LiquidPeso molecular:241.326Benzyl Chloromethyl Ether
CAS:Fórmula:C8H9ClOPureza:>90.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:156.61Chloromethyl 2,2,2-Trichloroethyl Ether
CAS:Fórmula:C3H4Cl4OPureza:>97.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:197.86Benzoyl Trifluoromethanesulfonate
CAS:Fórmula:C8H5F3O4SPureza:>98.0%(T)Cor e Forma:Colorless to Light orange to Yellow clear liquidPeso molecular:254.18Phenoxyacetyl Chloride
CAS:Fórmula:C8H7ClO2Pureza:>98.0%(GC)(T)Cor e Forma:Colorless to Light yellow to Light orange clear liquidPeso molecular:170.59H-L-Cys(mdnpe)-OH
CAS:A novel protected cysteine that can be cleaved by photolysis.Fórmula:C12H14N2O6SPureza:Min. 95%Peso molecular:314.32 g/moltert-Butyldiphenylsilane
CAS:Fórmula:C16H20SiPureza:>98.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:240.42Ethylenedioxybis(trimethylsilane) [Protecting Reagent for Aldehydes and Ketones]
CAS:Fórmula:C8H22O2Si2Pureza:>97.0%(GC)Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:206.43Diphenylmethylchlorosilane
CAS:Fórmula:C13H13ClSiPureza:>95.0%(GC)Cor e Forma:Colorless to Light yellow to Light orange clear liquidPeso molecular:232.78tert-Butyldimethylsilyl Trifluoromethanesulfonate
CAS:Fórmula:C7H15F3O3SSiPureza:>98.0%(T)Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:264.33Ammonia (ca. 4% in Methanol, ca. 2.0mol/L)
CAS:Fórmula:NH3Cor e Forma:Colorless clear liquidPeso molecular:17.03N,O-BIS(TERT-BUTYLDIMETHYLSILYL)ACETAMIDE
CAS:Fórmula:C14H33NOSi2Pureza:95%Cor e Forma:LiquidPeso molecular:287.58891999999991,3-Cyclohexanedione, 2-acetyl-5,5-dimethyl-
CAS:Fórmula:C10H14O3Pureza:98%Cor e Forma:SolidPeso molecular:182.216362-(Trimethylsilyl)ethanol
CAS:Fórmula:C5H14OSiPureza:>96.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:118.25Boc-L-aspartic acid a-9-fluorenylmethyl ester
CAS:Boc-L-aspartic acid a-9-fluorenylmethyl ester is a synthetic compound that mimics the structure of acetylcholine. It has been shown to be an efficient method for generating pseudopeptides and cyclic peptides. This compound may be used as a surrogate for acetylcholine in virus research, since it can bind to the same receptor. Boc-L-aspartic acid a-9-fluorenylmethyl ester has also been used to generate monoclonal antibodies that are neutralizing against foot-and-mouth disease viruses.Fórmula:C23H25NO6Pureza:Min. 97 Area-%Peso molecular:411.45 g/molHydrogen Chloride (ca. 4mol/L in 1,4-Dioxane)
CAS:Produto ControladoFórmula:HClCor e Forma:Colorless to Light yellow clear liquidPeso molecular:36.461,2-Bis(chlorodimethylsilyl)ethane
CAS:Fórmula:C6H16Cl2Si2Pureza:90%Cor e Forma:SolidPeso molecular:215.2682Tetrabutylammonium fluoride trihydrate
CAS:Fórmula:C16H42FNO3Pureza:98%Cor e Forma:SolidPeso molecular:315.5083,7-Dioxa-2,8-disilanonane, 2,2,8,8-tetramethyl-
CAS:Fórmula:C9H24O2Si2Pureza:98%Cor e Forma:LiquidPeso molecular:220.4567N-Carbobenzoxyoxysuccinimide
CAS:Fórmula:C12H11NO5Pureza:>98.0%(N)Cor e Forma:White to Almost white powder to crystalPeso molecular:249.22P-ANISALDEHYDE DIMETHYL ACETAL
CAS:Fórmula:C10H14O3Pureza:97%Cor e Forma:LiquidPeso molecular:182.21644,4,4-Tris(benzoyloxy)trityl Bromide [Hydroxyl Protecting Agent]
CAS:Fórmula:C40H27BrO6Pureza:95%Cor e Forma:SolidPeso molecular:683.5428N,O-Bis(trimethylsilyl)acetamide Kit TMS-BA (25% in Acetonitrile) 1 mL × 8 / Reaction vial, capacity 2 mL × 8 [Trimethylsilylating Reagent, for NH2 compounds]
CAS:Cor e Forma:Colorless to Light yellow clear liquid1,1,1,3,3,3-Hexafluoro-2-propanol
CAS:Fórmula:C3H2F6OPureza:98%Cor e Forma:LiquidPeso molecular:168.0378Ref: IN-DA0032JF
5gA consultar10g22,00€1kg133,00€25g22,00€5kg339,00€100g30,00€10kg618,00€250g51,00€500g70,00€Ethyl Vinyl Ether (stabilized with KOH)
CAS:Fórmula:C4H8OPureza:>98.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:72.111,2-Propanediol
CAS:Fórmula:C3H8O2Pureza:>99.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:76.101-Acetyl-1H-1,2,3-triazolo[4,5-b]pyridine
CAS:Fórmula:C7H6N4OPureza:>98.0%(T)Cor e Forma:White to Almost white powder to crystalPeso molecular:162.15Pentafluorophenyl Acetate
CAS:Fórmula:C8H3F5O2Pureza:>98.0%(GC)Cor e Forma:White to Almost white powder to lumpPeso molecular:226.109-Fluorenylmethyl Pentafluorophenyl Carbonate
CAS:Fórmula:C21H11F5O3Pureza:>98.0%(HPLC)Cor e Forma:White to Almost white powder to crystalPeso molecular:406.31Vinyltrimethylsilane
CAS:Fórmula:C5H12SiPureza:>97.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:100.24Boc-glu(OBzl)-OH
CAS:Boc-glu(OBzl)-OH is a small-molecule drug that binds to the glutamate receptor. It has been shown to have anticancer activity in vitro and in vivo, but does not affect normal cells. Boc-glu(OBzl)-OH has been used as a synthetic substrate for the preparation of conjugates containing an amide group. This chemical can also be used as an anticancer agent by inhibiting protease activity, which inhibits cancer cell growth. The uptake of Boc-glu(OBzl)-OH can be increased by making it more acidic or by using an efficient method such as ultrasound.Fórmula:C17H23NO6Pureza:Min. 98 Area-%Cor e Forma:PowderPeso molecular:337.37 g/mol2-(Benzyloxy)-1-methylpyridin-1-ium trifluoromethanesulfonate
CAS:Fórmula:C14H14F3NO4SPureza:96%Cor e Forma:SolidPeso molecular:349.32546959999992-Chloroethanesulfonyl Chloride
CAS:Fórmula:C2H4Cl2O2SPureza:>95.0%(GC)(T)Cor e Forma:Colorless to Yellow to Orange clear liquidPeso molecular:163.01Trimethyl Orthoformate
CAS:Fórmula:C4H10O3Pureza:>98.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:106.12Triisopropylsilyl trifluoromethanesulfonate
CAS:Fórmula:C10H21F3O3SSiPureza:97%Cor e Forma:LiquidPeso molecular:306.4176Tetraethylammonium Fluoride Hydrate
CAS:Fórmula:C8H20FN·xH2OPureza:>95.0%(T)Cor e Forma:White to Almost white powder to crystalPeso molecular:149.25 (as Anhydrous)Pentafluorophenyl Benzoate
CAS:Fórmula:C13H5F5O2Pureza:>98.0%(GC)Cor e Forma:White to Almost white powder to crystalPeso molecular:288.17Dimethyloctadecylchlorosilane
CAS:Fórmula:C20H43ClSiPureza:>97.0%(T)Cor e Forma:White to Almost white powder to lumpPeso molecular:347.10Ethylenedithiobis(trimethylsilane) [Protecting Reagent for Aldehydes and Ketones]
CAS:Fórmula:C8H22S2Si2Pureza:>97.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:238.552-(tert-Butyldimethylsilyl)-N-phenylbenzamide
CAS:Fórmula:C19H25NOSiPureza:98%Cor e Forma:SolidPeso molecular:311.4934Ref: IN-DA0034XB
5g21,00€1kg208,00€25g29,00€50g36,00€100g56,00€200g73,00€300g107,00€400g111,00€500g116,00€1H-Imidazole, 1-[(4-methylphenyl)sulfonyl]-
CAS:Fórmula:C10H10N2O2SPureza:98%Cor e Forma:SolidPeso molecular:222.263599999999971,2-Bis(chlorodimethylsilyl)ethane [Protecting Reagent for Primary Amines]
CAS:Fórmula:C6H16Cl2Si2Pureza:>95.0%(GC)Cor e Forma:White or Colorless to Almost white or Almost colorless powder to lump to clear liquidPeso molecular:215.263-Chloropropyldichloromethylsilane
CAS:Fórmula:C4H9Cl3SiPureza:98%Cor e Forma:LiquidPeso molecular:191.5588Benzaldehyde, 4-methoxy-
CAS:Fórmula:C8H8O2Pureza:98%Cor e Forma:LiquidPeso molecular:136.147919999999971-(Trifluoromethanesulfonyl)imidazole
CAS:Fórmula:C4H3F3N2O2SPureza:>98.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:200.14Benzyl Phenyl Carbonate
CAS:Fórmula:C14H12O3Pureza:>95.0%(GC)Cor e Forma:Colorless to Almost colorless clear liquidPeso molecular:228.259-Fluorenylmethyl Carbamate
CAS:Fórmula:C15H13NO2Pureza:>98.0%(HPLC)(N)Cor e Forma:White to Almost white powder to crystalPeso molecular:239.27Chlorotrimethylsilane
CAS:Fórmula:C3H9ClSiPureza:>98.0%(GC)Cor e Forma:Colorless to Light yellow to Light orange clear liquidPeso molecular:108.641-(4,5-DIMETHOXY-2-NITRO-PHENYL)-ETHANONE
CAS:Fórmula:C10H11NO5Pureza:95%Cor e Forma:SolidPeso molecular:225.198Chlorotriethylsilane
CAS:Fórmula:C6H15ClSiPureza:>97.0%(GC)Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:150.72Zinc (Powder)
CAS:Fórmula:ZnPureza:>96.0%(T)Cor e Forma:Light gray to Brown to Black powder to crystalPeso molecular:65.38Allyl Bromide
CAS:Fórmula:C3H5BrPureza:>98.0%(GC)Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:120.98BSTFA-TMCS (99:1) [Derivatizing Reagent for GC]
CAS:Fórmula:C8H18F3NOSi2Cor e Forma:Colorless to Light yellow clear liquidPeso molecular:257.402,4-Dimethoxybenzaldehyde
CAS:Fórmula:C9H10O3Pureza:>98.0%(GC)Cor e Forma:White to Light yellow powder to crystalPeso molecular:166.18Tert-Butyldimethylchlorosilane
CAS:Fórmula:C6H15ClSiPureza:97%Cor e Forma:SolidPeso molecular:150.72189-Bromo-9-phenylfluorene
CAS:Fórmula:C19H13BrPureza:>96.0%(GC)Cor e Forma:Light orange to Yellow to Green powder to crystalPeso molecular:321.222-Acetyl-5,5-dimethyl-1,3-cyclohexanedione
CAS:Fórmula:C10H14O3Pureza:>98.0%(GC)Cor e Forma:White or Colorless to Yellow powder to lump to clear liquidPeso molecular:182.22tetramethylammonium fluoride tetrahydrate
CAS:Fórmula:C4H20FNO4Pureza:%Cor e Forma:SolidPeso molecular:165.2043
![N-Methylbis(trifluoroacetamide) [Trifluoroacylating Agent]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FM0671.webp&w=3840&q=75)
![N-Trimethylsilylimidazole [Trimethylsilylating Reagent]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FT0585.webp&w=3840&q=75)
![1H-1,2,4-Triazole, 1-[(4-methylphenyl)sulfonyl]-](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2FIN%2Fthumb-webp%2FDA00HUEC.webp&w=3840&q=75)
![Chloro(ethyl)dimethylsilane [Dimethylethylsilylating Agent]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FD0135.webp&w=3840&q=75)
![2-(tert-Butoxycarbonylthio)-4,6-dimethylpyrimidine [Boc Agent for Peptides Synthesis]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FB1089.webp&w=3840&q=75)
![1,3-Benzodithiolylium Tetrafluoroborate [Hydroxyl-Protecting Agent]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FB1151.webp&w=3840&q=75)
![N-Phenylbis(trifluoromethanesulfonimide) [Triflating Reagent]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FP1257.webp&w=3840&q=75)
![Trifluoroacetyl Triflate [Powerful Trifluoroacetylating Reagent]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FT1531.webp&w=3840&q=75)
![Ethylenedioxybis(trimethylsilane) [Protecting Reagent for Aldehydes and Ketones]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FE0478.webp&w=3840&q=75)
![4,4,4-Tris(benzoyloxy)trityl Bromide [Hydroxyl Protecting Agent]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2FIN%2Fthumb-webp%2FDA003KD3.webp&w=3840&q=75)
![1-Acetyl-1H-1,2,3-triazolo[4,5-b]pyridine](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FA1219.webp&w=3840&q=75)
![Ethylenedithiobis(trimethylsilane) [Protecting Reagent for Aldehydes and Ketones]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FE0479.webp&w=3840&q=75)
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![1,2-Bis(chlorodimethylsilyl)ethane [Protecting Reagent for Primary Amines]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FB1688.webp&w=3840&q=75)
![BSTFA-TMCS (99:1) [Derivatizing Reagent for GC]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FB3402.webp&w=3840&q=75)
