“…Br Br X 8 X:Bf, R:fV:Y:H 14 Y:OMe, R':Ac, R: X :H 9 Y:Br, R:R':X:H 15 R:OMe, R':X:Y:H 10 X:Y:Br, R:R':H 16 R:OMe,R':Ac, X:Y:H 1 3 Y:OM•, R:R':X:H dominant biindoles, together with a small amount of (+)-2,5,5,-tribromo-7,-methoxy-3,4'-bi-l//-indole (4). 2,2',5,5,-Tetrabromo-3,3,-bi-l//-indole (1).…”