Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 1060816-58-1, name is 5-Bromo-2-chloro-7H-pyrrolo[2,3-d]pyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Quality Control of 5-Bromo-2-chloro-7H-pyrrolo[2,3-d]pyrimidine
To a suspension of 5-bromo-2-chloro-7H-pyrrolo[2,3-djpyrimidine (0.13 g, 0.50 mmol) and cis-4-.(tert-butyldimethylsilyloxy)cyclohexanol (0.23g, 1.0 mmol) in toluene (8 mL) was added (cyanomethylene)trimethylphosphorane (CMMP; prepared according toChem. Pharm. Bull. 2003, 51(4), 474-476.) (6.3 mL, 0.16 M in THF, 1.0 mmol). The resulting clear solution was refluxed for 16 h. The reaction mixture was washed with brine, and extracted with EtOAc (3X). The combined organic layer was dried (Na2504) and concentrated. The residue was purified on ISCO to provide the desired product (0.16 g, 72%). 1H NMR (400 MHz, CD3OD) oe 8.71 (s, 1H), 7.27 (s, 1H), 4.70 (tt, J = 12.2, 3.9 Hz, 111),3.69 (tt, J = 10.5, 4.2 Hz, 1H), 2.09- 1.99 (m, 3H), 1.86- 1.71 (m, 2H), 1.66- 1.54 (m, 3H),0,90 (s, 9H), 0.08 (s, 6H). MS m/z 444.2 [M+H].
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Reference:
Patent; THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL; EARP, Henry Shelton, III; (109 pag.)WO2017/62797; (2017); A1;,
Pyrimidine | C4H4N2 – PubChem,
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