A retrosynthesis approach for biocatalysis in organic synthesis

ROMA de Souza, LSM Miranda… - … –A European Journal, 2017 - Wiley Online Library
For the planning of an organic synthesis route, the disconnection approach guided by
retrosynthetic analysis of possible intermediates and the chemical reactions involved, back …

Weinreb amides as privileged acylating agents for accessing α-substituted ketones

R Senatore, L Ielo, S Monticelli, L Castoldi, V Pace - Synthesis, 2019 - thieme-connect.com
The acylation of α-substituted carbanion-type reagents (MCR 1 R 2 X; X= halogen, OR, SR,
NR 3 R 4, SeR, etc.) with Weinreb amides constitutes a highly versatile and flexible …

Continuous flow synthesis of α-halo ketones: essential building blocks of antiretroviral agents

VD Pinho, B Gutmann, LSM Miranda… - The Journal of …, 2014 - ACS Publications
The development of a continuous flow process for the multistep synthesis of α-halo ketones
starting from N-protected amino acids is described. The obtained α-halo ketones are chiral …

Homologation chemistry with nucleophilic α-substituted organometallic reagents: Chemocontrol, new concepts and (solved) challenges

L Castoldi, S Monticelli, R Senatore, L Ielo… - Chemical …, 2018 - pubs.rsc.org
The transfer of a reactive nucleophilic CH2X unit into a preformed bond enables the
introduction of a fragment featuring the exact and desired degree of functionalization …

Addition of lithium carbenoids to isocyanates: a direct access to synthetically useful N-substituted 2-haloacetamides

V Pace, L Castoldi, W Holzer - Chemical Communications, 2013 - pubs.rsc.org
The addition of lithium carbenoids to isocyanates provides a versatile access to N-
substituted 2-haloacetamides: the reaction tolerates the presence of variously functionalized …

Efficient access to all‐carbon quaternary and tertiary α‐functionalized homoallyl‐type aldehydes from ketones

V Pace, L Castoldi, E Mazzeo, M Rui… - Angewandte …, 2017 - Wiley Online Library
Abstract β, γ‐Unsaturated aldehydes with all‐carbon quaternary or tertiary α‐centers were
rapidly assembled from ketones through a unique synthetic operation consisting of 1) C1 …

Lithium halomethylcarbenoids: preparation and use in the homologation of carbon electrophiles

V Pace, W Holzer, N De Kimpe - The Chemical Record, 2016 - Wiley Online Library
Abstract α‐Halomethyllithium carbenoids are useful homologating reagents which–reacting
under proper reaction conditions as carbanions–enable the installation via nucleophilic …

Bromomethyllithium-mediated chemoselective homologation of disulfides to dithioacetals

V Pace, A Pelosi, D Antermite, O Rosati… - Chemical …, 2016 - pubs.rsc.org
An efficient, chemoselective homologation of disulfides and diselenides to the
corresponding dithio-and diselenoacetals has been developed via the addition of …

External trapping of halomethyllithium enabled by flow microreactors

L Degennaro, F Fanelli, A Giovine… - Advanced Synthesis & …, 2015 - Wiley Online Library
This work demonstrates that the accurate control of the reaction parameters realized within
microreactor systems allowed for a taming of the reactivity of thermally unstable …

Industrial syntheses of the central core molecules of HIV protease inhibitors

K Izawa, T Onishi - Chemical reviews, 2006 - ACS Publications
The recent increase in the number of AIDS patients has become one of the world's greatest
social problems. According to the estimation by UNAIDS in 2004, 1 about 40 million people …