(4-Amino-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidin-5-yl)-(3-nitro-phenyl)methanone → {3-[3-(4-Amino-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-5-carbonyl)-phenyl]-prop-2-ynyl}-carbamic acid tert-butyl ester

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The title compound was prepared from {3-[3-(4-Chloro-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-5-carbonyl)-phenyl]-prop-2-ynyl}-carbamic acid tert-butyl ester (452 mg, 0.94 mmol) by a procedure analogous to that described for (4-Amino-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidin-5-yl)-(3-nitro-phenyl)methanone. MS: 460.3/360.3 (MH+); HPLC Rf: 6.45 min. (HPLC method 4).

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