反应详情

The same procedures as in Example 137 were carried out from sodium hydroxide (4.6 g), methylene chloride (160 mL), N-tert-butoxycarbonyl-L-tryptophan (10.0 g), benzyl bromide (20 mL), and tetra-n-butylammonium hydrogensulfate (1.1 g), to give the captioned compound (12.2 g, 77%) as an oily product.