Search Results - "Lucas, Brian S"
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Total Synthesis of Phorboxazole B
Published in Angewandte Chemie International Edition (01-01-2007)“…Challenge met: In the synthesis of phorboxazole B, a highly efficient hetero‐Diels–Alder reaction was used to construct the key C33–C39 linchpin, allowing for…”
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2
Synthesis of the C1−C17 Segment of Phorboxazole B
Published in Organic letters (19-08-2004)“…The C1−C17 bis-oxane subunit 22 of phorboxazole B is efficiently synthesized by exploiting differential reactivities between similar substituents on the…”
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3
An Expeditious Synthesis of the MDM2–p53 Inhibitor AM-8553
Published in Journal of the American Chemical Society (01-08-2012)“…The development of the structurally complex MDM2/p53 inhibitor AM-8553 was impeded by the low yield of the initial synthesis. A second generation synthesis is…”
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4
Discovery and in Vivo Evaluation of the Potent and Selective PI3Kδ Inhibitors 2‑((1S)‑1-((6-Amino-5-cyano-4-pyrimidinyl)amino)ethyl)-6-fluoro‑N‑methyl-3-(2-pyridinyl)-4-quinolinecarboxamide (AM-0687) and 2‑((1S)‑1-((6-Amino-5-cyano-4-pyrimidinyl)amino)ethyl)-5-fluoro‑N‑methyl-3-(2-pyridinyl)-4-quinolinecarboxamide (AM-1430)
Published in Journal of medicinal chemistry (11-08-2016)“…Optimization of the potency and pharmacokinetic profile of 2,3,4-trisubstituted quinoline, 4, led to the discovery of two potent, selective, and orally…”
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5
Addressing PXR liabilities of phthalazine-based hedgehog/smoothened antagonists using novel pyridopyridazines
Published in Bioorganic & medicinal chemistry letters (01-08-2010)“…Pyridopyridazine antagonists of the hedgehog signaling pathway are described. Designed to optimize our previously described phthalazine smoothened antagonists,…”
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Discovery of amide replacements that improve activity and metabolic stability of a bis-amide smoothened antagonist hit
Published in Bioorganic & medicinal chemistry letters (15-09-2011)“…A bis-amide antagonist of Smoothened, a seven-transmembrane receptor in the Hedgehog signaling pathway, was discovered via high throughput screening. In vitro…”
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7
Palladium(0)-Mediated Desymmetrization of Meso Tetraols: An Approach to the C3−C17 Bis-oxane Segment of Phorboxazoles A and B
Published in Organic letters (16-10-2003)“…meso-Tetraol bis(allylic acetates) 2 and 5 were synthesized via two-directional chain elongation. A palladium-mediated, ligand-controlled desymmetrization…”
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8
Design of 1-piperazinyl-4-arylphthalazines as potent Smoothened antagonists
Published in Bioorganic & medicinal chemistry letters (15-06-2010)“…The Hedgehog (Hh) signaling pathway regulates cell proliferation and differentiation in developing tissues, and abnormal activation of the Hh pathway has been…”
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9
A Catalytic Enantioselective Hetero Diels−Alder Approach to the C20−C32 Segment of the Phorboxazoles
Published in Journal of organic chemistry (29-04-2005)“…An efficient synthesis of the C20−C32 segment of the phorboxazoles has been achieved using an enantioselective hetero Diels−Alder reaction catalyzed by…”
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10
Development of an Efficient Process for the Preparation of Sch 39166: Aziridinium Chemistry on Scale
Published in Organic process research & development (01-09-2004)“…A large-scale synthesis of a tricyclic D1/D5 dopamine antagonist based on regio- and stereoselective ring opening of an aziridinium ion with a Grignard reagent…”
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Reaction of aziridinium ions with organometallic reagents: optimization of the key step of ecopipam synthesis
Published in Tetrahedron letters (26-08-2002)“…Formation, stability and reactivity of aziridinium ions 3 towards organometallic reagents was explored and optimized for the efficient preparation of key drug…”
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12
Anaesthesia in a parturient with Noonan's syndrome
Published in Canadian journal of anesthesia (01-04-1998)“…To report the management of labour analgesia and subsequent anaesthesia for postpartum bleeding in a 19-yr-old parturient with Noonan's syndrome. The patient…”
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13
Total Synthesis of Phorboxazole B
Published in Angewandte Chemie (22-01-2007)“…Ziel erreicht: Bei der Synthese von Phorboxazol B wurde mit einer hocheffizienten Hetero‐Diels‐Alder‐Reaktion das zentrale C33‐C39‐Schlüsselelement erhalten,…”
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14
Total Synthesis of Phorboxazole B
Published in Angewandte Chemie (22-01-2007)Get full text
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15
Anaesthetic management and non-invasive monitoring for caesarean section in a patient with cardiomyopathy
Published in Canadian journal of anesthesia (01-09-1987)“…This paper describes the anaesthetic management of a 29-year-old woman for an elective repeat Caesarean section. A diagnosis of peripartum cardiomyopathy…”
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