Reactions of allylmagnesium reagents with carbonyl compounds and compounds with C═ N double bonds: their diastereoselectivities generally cannot be analyzed …

ND Bartolo, JA Read, EM Valentín… - Chemical reviews, 2020 - ACS Publications
This review describes the additions of allylmagnesium reagents to carbonyl compounds and
to imines, focusing on the differences in reactivity between allylmagnesium halides and …

Recent developments in lanthanide mediated organic synthesis

PG Steel - Journal of the Chemical Society, Perkin Transactions 1, 2001 - pubs.rsc.org
2.2 Generation and reactivity of the reagents 2.3 Functional group reduction 2.4 Carbon–
carbon bond forming processes 2.4. 1 Barbier–Grignard processes 2.4. 2 Radical alkene …

Nickel-catalyzed reductive deoxygenation of diverse C–O bond-bearing functional groups

A Cook, H MacLean, P St. Onge, SG Newman - ACS Catalysis, 2021 - ACS Publications
We report a catalytic method for the direct deoxygenation of various C–O bond-containing
functional groups. Using a Ni (II) pre-catalyst and silane reducing agent, alcohols, epoxides …

Total syntheses, fragmentation studies, and antitumor/antiproliferative activities of FR901464 and its low picomolar analogue

BJ Albert, A Sivaramakrishnan, T Naka… - Journal of the …, 2007 - ACS Publications
FR901464 is a potent anticancer natural product that lowers the mRNA levels of oncogenes
and tumor suppressor genes. In this article, we report a convergent enantioselective …

Anhydrous cerium (III) chloride—Effect of the drying process on activity and efficiency

V Dimitrov, K Kostova, M Genov - Tetrahedron letters, 1996 - Elsevier
The activity and efficiency of anhydrous CeCl3 depend strongly on the drying procedure.
Deactivation of CeCl3 occurs during the drying process as a result of hydrolysis by the …

[PDF][PDF] Modular synthesis, orthogonal post-functionalization, absorption, and chiroptical properties of cationic [6] helicenes.

F Torricelli, J Bosson, C Besnard, M Chekini, T Bürgi… - Angewandte …, 2013 - unige.ch
Helicenes,[1] which are ortho-condensed polyaromatic compounds, are omnipresent in
chemistry, biochemistry, and physics as a result of their many different properties and …

New insights in the mechanism of amine catalyzed epoxidation: dual role of protonated ammonium salts as both phase transfer catalysts and activators of oxone

VK Aggarwal, C Lopin, F Sandrinelli - Journal of the American …, 2003 - ACS Publications
Amines have previously been reported to catalyze the epoxidation of alkenes using Oxone
(2KHSO5+ KHSO4+ K2SO4), and significant levels of asymmetric induction were observed …

Complex-induced proximity effects: The effect of varying directing-group orientation on carbamate-directed lithiation reactions

KMB Gross, P Beak - Journal of the American Chemical Society, 2001 - ACS Publications
A series of selected bicyclic carbamates in which the range of accessible angles and
distances between the carbonyl group and the proton removed in an α-lithiation reaction are …

Total synthesis of (+)-amphidinolide A. Assembly of the fragments

BM Trost, ST Wrobleski, JD Chisholm… - Journal of the …, 2005 - ACS Publications
The structure elucidation of (+)-amphidinolide A, a cytotoxic macrolide, has been
accomplished by employing a combination of total synthesis and NMR spectroscopic …

Highly diastereoselective synthesis of new optically active aminoalcohols in one step from (+)-camphor and (−)-fenchone

M Genov, K Kostova, V Dimitrov - Tetrahedron: Asymmetry, 1997 - Elsevier
New optically active aminoalcohols have been prepared from CeCl3-activated (+)-camphor
and (−)-fenchone and N-functionalized organolithium compounds. The aminoalcohols …