C(OC([N:8]1[CH2:16][C:15]2[C:10](=[CH:11][CH:12]=[C:13]([CH:17]3[CH2:22][CH2:21][O:20][CH2:19][CH2:18]3)[CH:14]=2)[CH2:9]1)=O)(C)(C)C.[ClH:23]>>[ClH:23].[O:20]1[CH2:21][CH2:22][CH:17]([C:13]2[CH:14]=[C:15]3[C:10](=[CH:11][CH:12]=2)[CH2:9][NH:8][CH2:16]3)[CH2:18][CH2:19]1Prepared in analogy to Example A3(e) from 5-(tetrahydro-pyran-4-yl)-1,3-dihydro-isoindole-2-carboxylic acid tert-butyl ester and hydrochloric acid. White solid. MS (m/e): 204.3 ([M+H]+, 100%).
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