Scheme 7.
Synthetic pathway to P(GHSL,o,q)26 (9). (a) Addition of 3-(dimethylamino)-1-propylamine (DMAPA) to P(GHSL)26 (7), DMF, rt, 20 h; (b) Quaternization of P(GHSL,o)26 (8) with MeI, MeOH, reflux, 20 h.
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