The efficient direct synthesis of N,O-acetal compounds as key intermediates of discorhabdin A: oxidative fragmentation reaction of alpha-amino acids or beta-amino alcohols by using hypervalent iodine(III) reagents |
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Authors: | Harayama Yu Yoshida Masako Kamimura Daigo Wada Yasufumi Kita Yasuyuki |
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Institution: | Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan. |
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Abstract: | Hypervalent iodine(III) reagents are readily available, easy to handle, and have a low toxicity and similar reactivities to those of heavy metal reagents, and hence they are used for various oxidative reactions. The oxidative cleavage of alkynes or carbonyl compounds by using bis(trifluoroacetoxy)iodo(III) pentafluorobenzene (C(6)F(5)I(OCOCF(3))(2)) has been reported. Herein, the efficient direct synthesis of N,O-acetal compounds as key intermediates of discorhabdin A, by the oxidative fragmentation reaction of alpha-amino acids or beta-amino alcohols by using C(6)F(5)I(OCOCF(3))(2), is described. |
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Keywords: | discorhabdin A hypervalent iodine reagents N O‐acetal natural products synthetic methods |
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