A METHOD FOR PRODUCING 2-FLUORO-4-BORONO-L-PHENYLALANINE, AND PRECURSOR OF 2-FLUORO-4-BORONO-L-PHENYLALANINE

摘要

The present invention involves preparing compounds represented by the formula. (In the formula: R 1 represents a Br group, an iodine group, a Cl group, an NO 2 group, or an NH 2 group; R 2 represents a halogen group, an NO 2 group, an NH 2 group, Sn(R 6 ) 3 , N=N-NR 7 R 8 , OSO 2 R 9 , N R 10 R 11 , phenyliodonium, a heterocyclic group iodine, boric acid, or a borate ester; R 30 represents a protective group PG 1 ; R 40 or R 50 represent hydrogen, a protective group PG 2 , or C 6 H 5 (C 6 H 5 )C=N, wherein NR 40 R 50 are together.)