Reaktion #47063

Reaktionsgleichung

intermediate 25

cis-4,5-Diphenylimidazolidine-2-thione

2,3,4,5,6-pentamethylbenzyl chloride

→

product 234

Ausbeute 52.5%

2-[(2,3,4,5,6-Pentamethylbenzyl)thio]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole hydrochloride

Ausbeute 52.5%

Lösungsmittel

EtOH

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigeevaporated to dryness
2. 2
   FiltrationThe insoluble material is filtered

Vorschrift

A mixture of intermediate 25 (200 mg, 0.786 mmol) and 2,3,4,5,6-pentamethylbenzyl chloride (309 mg, 1.57 mmol) in abs. EtOH (2 mL) is heated at 95° C. for 24 h. The reaction mixture is cooled to RT, evaporated to dryness, and the residue suspended in Et2O. The insoluble material is filtered to give 186 mg of the product 234. 1H NMR (DMSO-d6) δ 11.20 (s, 2 H), 7.25-6.95 (m, 10 H), 5.85 (s, 2 H), 4.84 (s, 2 H), 2.38 (s, 6 H), 2.20 (s, 9 H); MS: m/z 415 (M++1).

Quelle