Succinic anhydride → HCID 15101739, compound

Participants

Reaction Steps

5,16-Bis (benzyloxy)-4,12,15-trioxo-5,11,16-triaza-19,22,25-trioxahexacosanoic acid (19) was synthesized by reacting compound (18) (3.40 g, 6.07 mmol) with succinic anhydride in pyridine following the procedure of (16) to produce 3.81 g (95%) of (19) as an oil: NMR δ 1.2-1.8 (m, 6 H) t 2.38-2.91 (m, 8 H) t 3.07-3.83 (m, 19 H) t 4.79 (s, 2 H), 4.88 (s, 2 H), 5.7 (br s, 1 H), 6.62 (br s, 1 H), 7.33 (s, 10 H). Analysis: (C34H49N3O10) C, H, N.

Provenance & Evidence