Cyanamide → HCID 178429747, compound

Participants

Reaction Steps

Following the general procedure for cyanoguanidine formation outlined in example 12, N-[4-chloro-2-tert-butyldimethylsilyloxy-3-(N″,N″-dimethylaminosulfonyl)phenyl]-N′-(2-methyl-3-fluorophenyl)carbodiimide (320 mg, 0.64 mmol), cyanamide (108 mg, 2.56 mmol) and N,N-diisopropylethylamine (99 mg, 0.77 mmol) were reacted, followed by desilylation with Cesium fluoride (117 mg, 0.77 mmol) to form the desired product (120 mg, 44%). EI-MS m/z 426.2 (M+). 1H NMR (DMSO-d6) δ 2.12 (s, 3H), 2.86 (s, 6H), 7.09 (m, 3H), 7.22 (m, 1H), 7.56 (d, 1H), 8.82 (s, 1H), 9.10 (s, 1H), 10.51 (s, 1H).

Provenance & Evidence