Stereoselective Synthesis of the I–L Fragment of the Pacific Ciguatoxins

Authors: J. Stephen Clark, Michael Popadynec

Source: Toxins, Vol 12, Iss 12, p 740 (2020)

Subject Terms: pacific ciguatoxins, natural product, polycyclic ether, ring-closing metathesis, Tsuji-Trost allylation, Medicine

File Description: electronic resource

Relation: https://www.mdpi.com/2072-6651/12/12/740; https://doaj.org/toc/2072-6651

Access URL: https://doaj.org/article/c0658366520a4175a5e947023899477a

Synthesis of the Core Framework of the Cornexistins by Intramolecular Nozaki-Hiyama-Kishi Coupling

Authors: Anthony Aimon, Louis J. Farrugia, J. Stephen Clark

Source: Molecules, Vol 24, Iss 14, p 2654 (2019)

Subject Terms: cornexistins, nonadride, natural product, herbicide, nine-membered carbocycle, Nozaki-Hiyama-Kishi reaction, cyclisation, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://www.mdpi.com/1420-3049/24/14/2654; https://doaj.org/toc/1420-3049

Access URL: https://doaj.org/article/4c95fe338d0140d683bc49518da90480

Commercial Disappearance and Composite Demand for Food with an Application to U.S. Meats

Authors: Albert J. Reed, J. William Levedahl, J. Stephen Clark

Source: Journal of Agricultural and Resource Economics, Vol 28, Iss 1, Pp 53-70 (2003)

Subject Terms: commodity aggregation, composite commodity theorem, composite demand, generalized composite commodity theorem, quantity-quality decomposition, Agriculture

File Description: electronic resource

Relation: https://ageconsearch.umn.edu/record/30719; https://doaj.org/toc/1068-5502; https://doaj.org/toc/2327-8285

Access URL: https://doaj.org/article/6d9be8220c3a47d5adb432df8ccceeb7

Synthesis of the A–D Ring System of the GambiericAcids.

Authors: J. Stephen Clark¹, Filippo Romiti¹, Bora Sieng¹, LauraC. Paterson¹, Alister Stewart¹, Subhabrata Chaudhury¹, Lynne H. Thomas¹

Source: Organic Letters. Oct2015, Vol. 17 Issue 19, p4694-4697. 4p.

Subject Terms: *CYCLIC ethers synthesis, *RING formation (Chemistry), *ASYMMETRIC synthesis, *ALLYLATION, *ALKYLATION, *LEWIS acids

Rapid Synthesis of the A−E Fragment of Ciguatoxin CTX3C.

Authors: J. Stephen Clark¹, Joanne Conroy¹, Alexander J. Blake¹

Source: Organic Letters. May2007, Vol. 9 Issue 11, p2091-2094. 4p.

Subject Terms: *METATHESIS reactions, *MARINE natural products, *NATURAL products, *CHEMICAL reactions

Synthesis of the Fused Polyether Core of Hemibrevetoxin B by Two-Directional Ring-Closing Metathesis.

Authors: J. Stephen Clark¹, Damian M. Grainger¹, Alexandra A.-C. Ehkirch¹, Alexander J. Blake¹, Claire Wilson¹

Source: Organic Letters. Mar2007, Vol. 9 Issue 6, p1033-1036. 4p.

Subject Terms: *POLYETHERS, *METATHESIS reactions, *CHEMICAL reactions, *NATURAL products

Construction of fused polycyclic ethers by strategies involving ring-closing metathesis.

Authors: J. Stephen Clark

Source: Chemical Communications; Aug2006, Vol. 2006 Issue 34, p3571-3581, 11p

Construction of Fused Medium-Ring Carbocycles by Catalytic Generation and Rearrangement of Oxonium Ylides.

Authors: J. Stephen Clark, Steven B. Walls, Claire Wilson, Stephen P. East, Martin J. Drysdale

Source: European Journal of Organic Chemistry; Jan2006, Vol. 2006 Issue 2, p323-327, 5p

Rapid synthesis of medium-ring fused polycarbocyclic systems by rearrangement of carbenoid-derived oxonium ylides.

Authors: J. Stephen Clark¹, Carine Guérot¹, Claire Wilson², Alexander J. Blake²

Source: Chemical Communications. Oct2007, Vol. 2007 Issue 40, p4134-4136. 3p.

Subject Terms: *CARBENES, *YLIDES, *PHYSICAL organic chemistry, *CARBON compounds

Tuneable asymmetric copper-catalysed allylic amination and oxidation reactions.

Authors: J. Stephen Clark, Caroline Roche

Source: Chemical Communications; Oct2005, Vol. 2005 Issue 41, p5175-5177, 3p

Construction of building-blocks for polyether synthesis using sequential catalytic ring-closing enyne and cross metathesis.

Authors: J. Stephen Clark, Frédéric Elustondo, Marc C. Kimber

Source: Chemical Communications; Oct2004, Vol. 2004 Issue 21, p2470-2471, 2p

Stereoselective synthesis of tetrahydropyran-3-ones by rearrangement of oxonium ylides generated from metal carbenoids.

Authors: J. Stephen Clark, Gavin Whitlock, Shende Jiang, Ngozi Onyia

Source: Chemical Communications; Oct2003, Vol. 2003 Issue 20, p2578, 2p

Exploration of the biomimetic synthesis of indole-diterpene mycotoxins: an unexpected cascade reaction during the attempted synthesis of emindole SB.

Authors: J. Stephen Clark, James Myatt, Claire Wilson, Lee Roberts, Nigel Walshe

Source: Chemical Communications; Jun2003, Vol. 2003 Issue 13, p1546-1547, 2p

Rapid Two-Directional Synthesis of the F–J Fragment of the Gambieric Acids by Iterative Double Ring-Closing MetathesisThis work was funded by the Engineering and Physical Sciences Research Council, UK (grant numbers GR/M30654/01 and GR/S15761/01).

Authors: J. Stephen Clark, Marc C. Kimber, Jerod Robertson, Christopher S. P. McErlean, Claire Wilson

Source: Angewandte Chemie International Edition; Sep2005, Vol. 44 Issue 38, p6157-6162, 0p