Research Article

Tungstosilicic Acid: An Efficient and Ecofriendly Catalyst for the Conversion of Alcohols to Alkyl Iodides

Table 1

Conversion of alcohols into alkyl iodides using H4SiW12O40 at room temperature.

EntrySubstrateProductaTime/h Yield/%b

1835183.fig.001835183.fig.0020.596
2835183.fig.003835183.fig.0040.592
3835183.fig.005835183.fig.0060.595
4835183.fig.007835183.fig.008186
5835183.fig.009835183.fig.0010194
6835183.fig.0011835183.fig.00120.596
7835183.fig.0013835183.fig.00140.595
8835183.fig.0015835183.fig.0016165
9835183.fig.0017835183.fig.00180.595
10835183.fig.0019835183.fig.0020197
11835183.fig.0021835183.fig.0022380
12835183.fig.0023835183.fig.0024160
13835183.fig.0025835183.fig.0026160
14835183.fig.0027835183.fig.0028192
15835183.fig.0029835183.fig.0030194

aAll of the products were identified by comparing melting point and 1H NMR with those of authentic simples reported in the literature [11ā€“14].
bYields refer to isolated products.