Kumar, Ponminor Senthil ; Kumar, Gaddale Devanna Kishore ; Baskaran, Sundarababu (2008) Truly catalytic and chemoselective cleavage of benzylidene acetal with phosphomolybdic acid supported on silica gel European Journal of Organic Chemistry, 2008 (36). pp. 6063-6067. ISSN 1434-193X
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/ejoc.20...
Related URL: http://dx.doi.org/10.1002/ejoc.200800963
Abstract
Phosphomolybdic acid supported on silica gel provides a truly catalytic method for the chemoselective cleavage of benzylidene acetals having sensitive functional groups under mild conditions. It is easy to perform on large scale owing to minimal catalyst loading (0.5 mol-%). Several sensitive functional groups such as TBDPS ether, -OMs, -OAc, allyl ether, N-Boc, N-Fmoc and N-Cbz are stable under the reaction conditions. In addition, benzylidene acetal is selectively cleaved in the presence of isopropylidene ketal.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | Chemoselectivity; Heterogeneous Catalysis; Protecting Groups; Supported Catalysts |
| ID Code: | 98543 |
| Deposited On: | 18 Sep 2014 11:32 |
| Last Modified: | 18 Sep 2014 11:32 |
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