30094-28-1Relevant articles and documents
Vinylogous Dehydration by a Polyketide Dehydratase Domain in Curacin Biosynthesis
Fiers, William D.,Dodge, Greg J.,Sherman, David H.,Smith, Janet L.,Aldrich, Courtney C.
, p. 16024 - 16036 (2016)
Polyketide synthase (PKS) enzymes continue to hold great promise as synthetic biology platforms for the production of novel therapeutic agents, biofuels, and commodity chemicals. Dehydratase (DH) catalytic domains play an important role during polyketide
Modular total synthesis of archazolid A and B
Menche, Dirk,Hassfeld, Jorma,Li, Jun,Mayer, Kerstin,Rudolph, Sven
supporting information; experimental part, p. 7220 - 7229 (2010/02/17)
(Chemical Equation Presented) A modular total synthesis of the potent V-ATPase inhibitors archazolid A and B is reported. The convergent preparation was accomplished by late-stage diversification of joint intermediates. Key synthetic steps involve asymmetric boron-mediated aldol reactions, two consecutive Still-Gennari olefinations to set the characteristic (Z,Z)-diene system, a Brown crotyboration, and a diastereo-selective aldol condensation of highly elaborate intermediates. For macrocyclization, both an HWE reaction and a Heck coupling were successfully employed to close the 24-membered macrolactone. During the synthetic campaign, a generally useful protocol for an E-selective Heck reaction of nonactivated alkenes and a method for the direct nucleophilic displacement of the Abiko-Masamune auxiliary with sterically hindered nucleophiles were developed. The expedient and flexible strategy will enable further SAR studies of the archazolids and more detailed evaluations of target-inhibitor interactions. 2009 American Chemical Society.
A facile Horner-Wadsworth-Emmons route to 2-quinolones
Peters, Jens-Uwe,Capuano, Tony,Weber, Silja,Kritter, Stéphane,S?gesser, Matthias
, p. 4029 - 4032 (2008/09/20)
2-Quinolones are prepared from o-aminophenylketones by N-acylation with phosphonoalkanoylchlorides, followed by an intramolecular Horner-Wadsworth-Emmons olefination. The transformation proceeds under mild conditions, is generally applicable, gives good yields and can be performed either in two steps or as a one-pot reaction.