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Exhibits that natural chemistry performs a pivotal position in technological know-how, starting from biology to fabrics technology and that it turns into an important to advance mechanisms to speak to all of the different audiences. This identify comes in either hardcover and flexibind variations

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35 DDQ in aqueous acetonitrile at room temperature36 also hydrolyses acetáis. 4237 and it is likely that the reaction is an acid-catalysed hydrolysis. 39 Cyclic voltammetry revealed that the only species present throughout the reaction was Ce(IV) indicating that the CAN acts as a highly selective Lewis acid. terf-Butyldimethylsilyl ethers are also cleaved under the reaction conditions but triisopropylsilyl ethers, enones, and terminal alkenes are stable. OTBS OTBS CeCJ3-7H2Ot Nal MeCN. reflux. 12 In the next few examples we will see how well established hydroxyl protecting groups were simply adapted to provide a broader range of methods for cleaving cyclic acetal rings under mild conditions.

Krische, M. Il Am Chem Soc 1999,121, 6131-6141. Nicolaou, K. ; Gray, D. L. ; Baudoin, O. / Am. Chem $

Chem. 1974, 39, 192-1%. 34 Cama. L. ; Christansen. B. G. / Am Chem Soc 1978, 100, 8006-8007. 35 Webber, J. ; Van Heyningen. E. M; Vasilieff, R. T. J. Am. Chem. Soc 1969, 91, 5694-5695. 36 Collins. P. M; Munasinghe. V. R. N. J. Chem. Soc, Perkin Trans 11983, 921-926. 37 Sheehan, X G; Wilson, R. M. J A m. Chem Soc 1964, 86, 5277-5281. 38 Sheehan, X G; Wilson. R. ; Oxford, A. W. / Am. Chem. Soc 1971, 93, 7222-7228. 39 Shi, Y. ; Corne, X E. ; Wan, P. / Org. Chem. 1997, 62, 8278-8279. 40 Sheehan, J.

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