Table 23.

Addition reactions of arylboronic acids to substituted chromones and N-Cbz-4-quinolones catalysed by L9/Pd(TFA)₂ [51].

entry	X	R	Ar	yield (%)	ee (%)
1	O	H	Ph	91	94
2	O	H	2-F-C6H4	50	76
3	O	H	3-Me-C6H4	66	90
4	O	H	3-MeOOC-MeC6H4	72	93
5	O	H	3-Br-C6H4	40	89
6	O	H	3-(CF3CONH)-C6H4	77	98
7	O	H	3-Cl-C6H4	52	94
8	O	H	4-Me-C6H4	64	94
9	O	H	4-Et-C6H4	36	85
10	O	H	4-F-C6H4	51	90
11	O	H	3,5-diMeO-C6H3	69	95
12	O	H	dibenzofuran-4-yl	64	77
13	O	6-Ac-5,7-diMe	Ph	98	90
14	O	6-Ac-5,7-diMe	3-Me-C6H4	76	88
15	O	6-Ac-5,7-diMe	4-Et-C6H4	45	86
16	O	6-Ac-5,7-diMe	Ph	79	95
17	O	6-Ac-5,7-diMe	3-Me-C6H4	84	86
18	O	6-Ac-5,7-diMe	3-Br-C6H4	65	95
19	O	6-Ac-5,7-diMe	4-F-C6H4	68	91
20	O	6-Ac-5,7-diMe	3-MeOOC-C6H4	90	86
21	O	6-Ac-5,7-diMe	dibenzofuran-4-yl	70	83
22	O	5,7-diMe	Ph	84	93
23	O	5,7-diMe	4-(CF3CONH)-3-MeO-C6H3	80	95
24	O	7-OAc	Ph	77	92
25	O	7-OH	Ph	77	93
26	O	7-OH	3-Me-C6H4	66	90
27	O	7-OH	4-F-C6H4	50	93
28	O	7-MeO	Ph	96	94
29	O	7-MeO	3-MeOOC-C6H4	81	96
30	NCbz	H	Ph	50	80
31	NCbz	H	3-(CF3CONH)-4-Me-C6H3	45	85
32	NCbz	H	3-Me-C6H4	51	85
33	NCbz	H	3,5-diMeO-C6H3	50	85
34	NCbz	H	3-MeOOC-C6H4	34	60
35	NCbz	H	4-F-C6H4	65	89
36	NCbz	H	4-Me-C6H4	45	67
37	NCbz	H	4-MeO-C6H4	36	54
38	NCbz	H	dibenzofuran-4-yl	31	40