Benzothiazines in synthesis. Formal syntheses of (+)-curcumene and (+)-curcuphenol
摘要:
A benzothiazine readily available in enantiomerically pure form via a stereoselective, intramolecular Michael addition reaction could be converted to a precursor to (+)-curcuphenol and to (+)-curcumene. (C) 2003 Elsevier Ltd. All rights reserved.
Benzothiazines in Synthesis: Studies Directed toward the Synthesis of Erogorgiaene
作者:Michael Harmata、Xuechuan Hong、Peter R. Schreiner
DOI:10.1021/jo701935s
日期:2008.2.1
The use of benzothiazenes for the formal total synthesis of erogorgiaene and stereoselective total syntheses of two diastereomers of this natural product is described. In particular, the stereochemical course of a radical cyclization anticipated to give the correct relative stereochemistry for the synthesis of erogorgiaene is discussed utilizing both experimental and computational data.
Benzothiazines in synthesis. Formal synthesis of erogorgiaene
作者:Michael Harmata、Xuechuan Hong
DOI:10.1016/j.tetlet.2005.03.184
日期:2005.5
A benzothiazine, readily available in enantiomerically pure form via a completely selective, intramolecular addition of a sulfoximine-stabilized carbanion to an alpha, beta-unsaturated ester, could be converted to a precursor to erogorgiaene in good overall yield. (c) 2005 Elsevier Ltd. All rights reserved.
Multicomponent, Flow Diazotization/Mizoroki-Heck Coupling Protocol: Dispelling Myths about Working with Diazonium Salts
作者:Kumara S. Nalivela、Michael Tilley、Michael A. McGuire、Michael G. Organ
DOI:10.1002/chem.201402092
日期:2014.5.26
A single pass flowdiazotization/Mizoroki–Heckprotocol has been developed for the production of cinnimoyl and styryl products. The factors that govern aryl diazonium salt stability have been examined in detail leading to the development of a MeOH/DMF co‐solvent system in which the diazoniumsalts can be generated in the presence of all other reaction components and then coupled selectively to give
Benzothiazines in synthesis. Formal syntheses of (+)-curcumene and (+)-curcuphenol
作者:Michael Harmata、Xuechuan Hong、Charles L Barnes
DOI:10.1016/s0040-4039(03)01882-3
日期:2003.9
A benzothiazine readily available in enantiomerically pure form via a stereoselective, intramolecular Michael addition reaction could be converted to a precursor to (+)-curcuphenol and to (+)-curcumene. (C) 2003 Elsevier Ltd. All rights reserved.