Research Article

Synthesis, Characterization, Semiempirical and Biological Activities of Organotin(IV) Carboxylates with 4-Piperidinecarboxylic Acid

Table 6

Mass spectral data of organotin complexes 2, 3, and 5.

Comp. number (%)

2C14H28NO2SnCl+ 397 (n.o)#, C8H18ClSn+ 269 (3), C6H9NO2Sn+ 247 (9), C4H9ClSn+ 212 (8), C4H9Sn+ 177 (2), HO2Sn+ 153 (12), C6H10NO2+ 128 (3), Sn+ 120 (2), C5H8N+ 82 (3), C4H9+ 57 (100).

3C18H20NO2SnCl+ 437 (n.o)#, C12H15ClNOSn+ 344 (1), C12H10ClSn+ 309 (1), C6H10ClNOSn+ 267 (3), C6H8ClNOSn+ 265 (2), C6H5ClSn+ 232 (3), C6H5Sn+ 197 (3), C12H10+ 154 (9), C6H10NO2+ 128 (14), C6H10NO+ 112 (3), C6H6+ 78 (100), C6H5+ 77 (35), C3HN+ 51 (56).

5C24H25NO2Sn+ 479 (26)#, C24H25NO2Sn+ 480 (30), C18H20NO2Sn+ 402 (3), C18H15Sn+ 351 (77), C12H15NO2Sn+ 325 (1), C12H10Sn+ 274 (1), C6H5Sn+ 197 (1), C12H10Sn+ 128 (100), Sn+ 120 (1), C6H10NO+ 112 (23).

Molecular ion peak (M+); n.o: not observed.