名称:
                                Synthesis of liverwort sesquiterpene (−)-isocuparene (herbertene) via a Diels-Alder reaction using phenylethylamine as chiral auxiliary
                             
                            
                                摘要:
                                The imine of 2-methylcyclopentanone with (S)(-)-phenylethylamine was subjected to reaction with methyl propiolate and the product was transformed into (-)-isocuparene by use of a Diels-Alder reaction to construct the aromatic ring. (C) 1997 Elsevier Science Ltd.
                             
                                                            
                                    DOI:
                                    10.1016/s0957-4166(97)00313-3