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. Author manuscript; available in PMC: 2014 Sep 16.
Published in final edited form as: Adv Synth Catal. 2013 Aug 28;355(13):2495–2498. doi: 10.1002/adsc.201300443

Table 3.

Ag-promoted benzannulations of siloxy alkynes with N-alkylisoquinolinium iodides.

graphic file with name nihms535411u3.jpg
Entry R4 R5 Product Yield, %[a]
1 n-Bu NO2
(17) 		18 70
2 n-Bu H
(19) 		20 88
3 n-Bu Br
(21) 		22 90
4 n-Bu OBn
(23) 		24 80
5 graphic file with name nihms535411t15.jpg Br 25 96
6 graphic file with name nihms535411t16.jpg Br 26 96
7 graphic file with name nihms535411t17.jpg Br 27 90
8 graphic file with name nihms535411t18.jpg Br 28 93
9 graphic file with name nihms535411t19.jpg Br 29 98
10 graphic file with name nihms535411t20.jpg Br 30 93
[a]

Isolated yields after standard chromatographic purification.