POCl3的环化？ 用氯化锌试试，如下（摘自 merck index）电子版！ bischler-napieralski reaction a. bischler, b. napieralski, ber. 26, 1903 (1893). cyclodehydration of β-phenethylamides to 3,4-dihydroisoquinoline derivatives by means of condensing agents such as phosphorous pentoxide or zinc chloride: w. m. whaley, t. r. govindachari, org. react. 6, 74 (1951); t. kametani et al., tetrahedron 27, 5367 (1971); g. fodor et al., angew. chem. int. ed. 11, 919 (1972); g. fodor, s. nagubandi, tetrahedron 36, 1279 (1980); eidem, heterocycles 15, 165 (1981). review of enantioselective modifications: m. o. rozwadowska, ibid. 39, 903-931 (1994). 查看更多
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