H.-H. Li, D.-J. Dong, S.-K. Tian
SHORT COMMUNICATION
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[12] R3NH(TMS) was monitored by TLC analysis. Due to its la-
bility to moisture, the TMS group of R3NH(TMS) was re-
moved on a TLC plate.
[13] Ether 4e was isolated and identified by 1H NMR analysis. The
treatment of alcohol 2e with TMSCl also resulted in the forma-
tion of ether 4e.
1
[14] Silyl ether 5e was not observed by TLC and H NMR analysis.
[15] For an example of using molecular sieves to scavenge HCl, see:
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hedron Lett. 1975, 16, 3979–3982. For details, see the Support-
ing Information.
Received: May 12, 2008
Published Online: June 11, 2008
3626
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Eur. J. Org. Chem. 2008, 3623–3626