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            _____     _  __    ______   __   __  
    ___    |  ___||  | |/ //  /_   _//  \ \\/ // 
   /   ||  | ||__    | ' //    -| ||-    \   //  
  | [] ||  | ||__    | . \\    _| ||_    / . \\  
   \__ ||  |_____||  |_|\_\\  /_____//  /_//\_\\ 
    -|_||  `-----`   `-` --`  `-----`   `-`  --` 
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Text this: Synthesis of 3-Hydroxy-2-methylene-4cyclopentenone : a precursor of (+-)pentenomycins and (+-)epipentenomycins / Weerachai Phutdhawong