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Carboxylic acid resin (MP), beads, macroporous 330-1225 µm, 15-50 mesh (>90% within) Loading: 3.4-3.6 mmol/g

Supplier: Supra Sciences

Description: Solid supported carboxylic acid utilized in solid phase synthesis for coupling amino acids at amino terminus.

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Triethylamine resin (MP), beads, macroporous 330-1225 µm, 15-50 mesh, (>90% within), Used as acid scavenger for acidic residues, for removing carboxylic acid impurities Loading: 3.4-3.6 mmol/g

Supplier: Supra Sciences

Description: Solid supported tertiary amine useful in all acid scavenging protocols.

SDS

Wang resin 200-400 mesh

Supplier: Bachem Americas

Description: The Wang support, p-benzyloxybenzyl alcohol resin, is the most widely used resin for attaching carboxylic acids for further functionalization. Cleavage conditions for the ester anchor involve concentrated TFA or TFA/CH₂Cl₂ to provide carboxylic acids or cyclization-cleavage under acidic or basic conditions. Release of an amide function by treatment with an amine in the presence of a Lewis acid was also reported. Wang resin was used to add vinyl and iodobenzoic acids via carbodiimide coupling and the products subjected to Heck conditions with alkenes or with alkynes or to Suzuki coupling with boron reagents. The Ugi multicomponent condensation reaction was conducted on Wang resin with the carboxylic acid, amine or isonitrile as the anchored functional group. Solid-phase lactam syntheses were also achieved by reaction of the resin-bound isonitrile with an amine and an ω-keto-acid as well as other synthetic transformations such as the Biginelli reaction and construction of heterocycles such as quinolones, imidazoles, hydantoins, and 1,4-benzodiazepine-2,5-diones. On a Wang resin primary, secondary, and tertiary alcohols have been converted to 4-methoxybenzyl ethers. As well as anchoring carboxylic acids to Wang resin, phenols were attached under Mitsunobu conditions, subjected to further transformations and cleaved under acidic conditions.

Aminomethyl resin on polystyrene (PS), beads 100-200 mesh Loading: 1.0-1.2 mmol/g

Supplier: Supra Sciences

Description: Solid supported primary amine utilized in solid phase synthesis for coupling amino acids at carboxyl terminus.

SDS

Diphenyldiazomethane resin, polymer-supported 200-400 mesh

Supplier: Bachem Americas

Description: Diphenyldiazomethane was used industrially for producing benzhydryl esters (diphenylmethyl esters) of β-lactam antibiotics. This "polymeric diphenyldiazomethane" readily reacts with carboxylic acids, e.g. Fmoc-amino acids, which need not to be activated. Products can be cleaved from this very acid-sensitive resin derivative with 1-5 % TFA in dichloromethane.

EAH Sepharose™ 4B Affinity Coupling Media, Cytiva

Catalog Number: (95016-888)

Supplier: Cytiva

Description: EAH Sepharose™ 4B allows for the stable carbodiimide-based coupling of carboxyl groups to Sepharose® 4B via an 11-atom hydrophilic spacer arm that permits extremely stable coupling.

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4-Amino-1-boc-piperidine ≥97%

Supplier: ALADDIN SCIENTIFIC CORPORATION

Description: Employed in a microwave-assisted solid-phase synthesis of N-substituted piperidines via direct annulation of primary amines with resin-bound dimesylates

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D-(+)-Biotin ≥97.5%, white crystalline powder cell culture reagent

Supplier: MP Biomedicals

Description: Storage: +4 °C
D-Biotin is a growth factor present in small amounts in every living cell. It is involved in naturally occurring carboxylation reactions. It occurs mainly bound to proteins or polypeptides. It is more abundant in the liver, kidney, pancreas, yeast and milk. Biotin levels are higher in cancerous tumors than in normal tissues. It is inactivated by binding to avidin.
D-Biotin may be used to elute proteins from avidin/streptavidin resins. It is widely used for dietary supplements and fortified foods. It is also used for tablets and hard-shell capsule preparation due to its pharmaceutical properties.
Essential vitamin that is important for amino acid and energy metabolism, and fatty acid synthesis. It is a prosthetic group in four mammalian carboxylase families and facilitates the binding and transfer of carbon dioxide.
Soluble in water (22 mg/100 mL), ethanol (80 mg/100 mL), more soluble in hot water and in dilute alkalies; insoluble in other common organic solvents. Soluble in 2 M Ammonium hydroxide (50 mg/mL - clear, colorless solution), dimethylformamide (1.7 mg/mL).

CarboxyLink™ Coupling Resin, Thermo Scientific

Catalog Number: (PI20266)

Supplier: Invitrogen

Description: Thermo Scientific CarboxyLink Coupling Resin is for covalent immobilization of peptides or other carboxyl-containing (—COOH) molecules to a porous, beaded resin for use in affinity purification procedures.

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Carboxyl Coupling Resin, G-Biosciences

Supplier: G-Biosciences

Description: G-Biosciences' Carboxyl Coupling Resin consists of 6% cross-linked agarose with covalently linked diaminodipropylamine (DADPA) to generate a free primary amine at the end of a long spacer arm

SDS

Pierce™ CarboxyLink™ Immobilization Kit, 2 ml, Thermo Scientific

Catalog Number: (PI44899)

Supplier: Invitrogen

Description: The Thermo Scientific CarboxyLink Immobilization Kit is for covalent immobilization of peptides or other carboxyl-containing (—COOH) molecules to a porous, beaded resin for use in affinity purification procedures.

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