Stereoselective reduction of the ketone group in α-allyl β-keto esters

Verfasser / Beitragende:
[V. Boev, A. Moskalenko, S. Belopukhov, N. Przheval'skii]
Ort, Verlag, Jahr:
2015
Enthalten in:
Russian Journal of Organic Chemistry, 51/9(2015-09-01), 1253-1260
Format:
Artikel (online)
ID: 605529000
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024 7 0 |a 10.1134/S1070428015090067  |2 doi 
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245 0 0 |a Stereoselective reduction of the ketone group in α-allyl β-keto esters  |h [Elektronische Daten]  |c [V. Boev, A. Moskalenko, S. Belopukhov, N. Przheval'skii] 
520 3 |a Stereoselective reduction of the ketone carbonyl group in α-allyl-substituted β-keto esters with sodium tetrahydridoborate in the presence of 2 equiv of MnCl2 quantitatively afforded the corresponding syn-isomeric alcohols. The reduction of the same substrates with L-selectride [LiBH(s-Bu)3] in anhydrous THF was characterized by low chemoselectivity, and anti-isomeric alcohols were formed in about 50% yield. Under analogous conditions, α-allyl ketones smoothly reacted with L-selectride to give syn-isomeric alcohols in quantitative yield. The corresponding anti isomers were synthesized by the Mitsunobu reaction of the syn isomers with formic acid, followed by alkaline hydrolysis. 
540 |a Pleiades Publishing, Ltd., 2015 
700 1 |a Boev  |D V.  |u Timiryazev Moscow Agricultural Academy Russian State Agrarian University, Timiryazevskaya ul. 49, 127550, Moscow, Russia  |4 aut 
700 1 |a Moskalenko  |D A.  |u Timiryazev Moscow Agricultural Academy Russian State Agrarian University, Timiryazevskaya ul. 49, 127550, Moscow, Russia  |4 aut 
700 1 |a Belopukhov  |D S.  |u Timiryazev Moscow Agricultural Academy Russian State Agrarian University, Timiryazevskaya ul. 49, 127550, Moscow, Russia  |4 aut 
700 1 |a Przheval'skii  |D N.  |u Timiryazev Moscow Agricultural Academy Russian State Agrarian University, Timiryazevskaya ul. 49, 127550, Moscow, Russia  |4 aut 
773 0 |t Russian Journal of Organic Chemistry  |d Pleiades Publishing  |g 51/9(2015-09-01), 1253-1260  |x 1070-4280  |q 51:9<1253  |1 2015  |2 51  |o 11178 
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950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1134/S1070428015090067  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Boev  |D V.  |u Timiryazev Moscow Agricultural Academy Russian State Agrarian University, Timiryazevskaya ul. 49, 127550, Moscow, Russia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Moskalenko  |D A.  |u Timiryazev Moscow Agricultural Academy Russian State Agrarian University, Timiryazevskaya ul. 49, 127550, Moscow, Russia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Belopukhov  |D S.  |u Timiryazev Moscow Agricultural Academy Russian State Agrarian University, Timiryazevskaya ul. 49, 127550, Moscow, Russia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Przheval'skii  |D N.  |u Timiryazev Moscow Agricultural Academy Russian State Agrarian University, Timiryazevskaya ul. 49, 127550, Moscow, Russia  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Russian Journal of Organic Chemistry  |d Pleiades Publishing  |g 51/9(2015-09-01), 1253-1260  |x 1070-4280  |q 51:9<1253  |1 2015  |2 51  |o 11178