tert-Butyl 1-oxa-4,9-diazaspiro(5.5)undecane-4-carboxylate → 9-(2-Chloro-4-morpholin-4-yl-thieno[3,2-d]pyrimidin-6-ylmethyl)-1-oxa-4,9-diaza-spiro[5.5]undecane-4-carboxylic acid tert-butyl ester

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Prepared according to the method used in the preparation of 4-(2-chloro-4-morpholin-4-yl-thieno[3,2-d]pyrimidin-6-ylmethyl)-1-oxa-4,9-diaza-spiro[5.5]undecane-9-carboxylic acid tert-butyl ester using 1-oxa-4,9-diaza-spiro[5.5]undecane-4-carboxylic acid tert-butyl ester in place of 4-ethoxy-4-methylaminomethyl-piperidine-1-carboxylic acid tert-butyl ester. The title compound was obtained as a white solid (110 mg, 60%).

Provenance & Evidence