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. Author manuscript; available in PMC: 2016 Nov 10.
Published in final edited form as: J Am Chem Soc. 2016 Jun 22;138(26):8084–8087. doi: 10.1021/jacs.6b04818

Table 3.

Examination of Alternative Reductantsa

graphic file with name nihms827728u2.jpg
entry reductant photocatalyst yieldb
1 Hantzsch ethyl ester 1 0%c
2 (MeO)3SiH or Et3SiH 1 0%
3 TTMSS Ir(ppy)3 0%
4 TTMSS Ru(bpy)3(PF6)2 0%
5 TTMSS Ru(phen)3Cl2 0%
6 Ph3SiH 1 50%
7 Me2(TMS)SiH 1 18%
a

See Supporting Information for conditions.

b

Yields were obtained by 1H NMR analyses with mesitylene as an internal standard.

c

Gave an 80% yield of the biaryl product.