Adding a certain compound to certain chemical reactions, such as: 1259224-00-4, name is tert-Butyl (1-(4-aminophenyl)cyclobutyl)carbamate, belongs to amides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 1259224-00-4, Safety of tert-Butyl (1-(4-aminophenyl)cyclobutyl)carbamate
To the solution of 2,4-Dichloro-6-methyl-5-nitro-pyrimidine (2.08 g, lO.OOmmol) in THF (50 mL) at -78 C was slowly added the solution of [l-(4-Amino-phenyl)- cyclobutyl]-carbamic acid tert-butyl ester (2.62 g, 10.00 mmol) in THF (20 mL). The reaction mixture was stirred at ambient temperature for 30 min.. Then it was concentrated to remove the solvent. The obtained residue was dissolved in ethyl acetate (250 mL) and washed by saturated. NaHC03 solution, followed by brine. The separated organic layer was dried over sodium sulfate, filtered and concentrated to give { l-[4-(2-Chloro-6-methyl-5-nitro-pyrimidin-4-ylamino)-phenyl]- cyclobutyl}-carbamic acid tert-butyl ester. (4.3 g, 98%yield). MS (ESI+) e/z: 370.9 / 372.9 [M+l]+.
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Reference:
Patent; ARRAY BIOPHARMA INC.; GENENTECH, INC.; SKELTON, Nicholas; GRADL, Stefan; BLAKE, James F.; GRAHAM, James M.; GUNAWARDANA, Indrani W.; HENTEMANN, Martin; MARLOW, Allison L.; TANG, Tony P.; WO2013/78254; (2013); A1;,
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