3,3-Diethoxypropyne → Tert-butyl (1-(2-chloro-5-(3,3-diethoxyprop-1-ynyl)pyrimidin-4-ylamino)cyclopentyl)methylcarbamate

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Reaction Steps

tert-butyl N-[[1-[[2-chloro-5-(3,3-diethoxyprop-1-ynyl)pyrimidin-4-yl]amino]cyclopentyl]methyl]carbamate is synthesized by treating tert-butyl N-[2-[(5-bromo-2-chloro-pyrimidin-4-yl)amino]-2-methyl-propyl]carbamate with 3,3-diethoxyprop-1-yne in the presence of a catalyst such as Pddba using similar experimental conditions as described for the synthesis of tert-butyl N-[2-[[2-chloro-5-(3,3-diethoxyprop-1-ynyl)pyrimidin-4yl]amino]ethyl]carbamate. LCMS (ESI) 453 (M+H).

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