Dichloromethane → HCID 136408887, compound

Participants

Reaction Steps

To a 350 milliliter glass pressure bottle equipped with a magnetic stirrer was added 6.00 grams (0.021 moles) of 2,3-dihydro-2,2-dimethyl-4-(2-hydroxybenzylideneamino)benzofuran-7-ol prepared in part A, 1.4 grams (0.024 moles) of methyl isocyanate, 100 milliliters of methylene chloride and 0.1 milliliters of triethylamine. The resulting reaction mixture was stirred for 66 hours at room temperature and then concentrated under reduced pressure to give a yellow solid material. The yellow solid material was washed with hexane and dried to yield 6.64 grams (0.0195 moles) of 2,3-dihydro-2,2-dimethyl-4-(2-hydroxybenzylideneamino)benzofuran-7-yl methylcarbamate in the form of a yellow solid having a melting point of 201°-203° C. and the following structural formula: ##STR18##

Provenance & Evidence