作者:Henri Brunner、Manfred Muschiol、Manfred Zabel
DOI:10.1055/s-2008-1032133
日期:2008.2
2,3-bis(diphenyl--phosphoryl)bicyclo[2.2.1]hept-5-ene (NorphosO). RAC-NorphosO was resolved with O, O-dibenzoyltartaric acid. ( R, R)- and ( S, S)-NorphosO were reduced with trichlorosilane to give 2,3-bis(diphen-ylphosphanyl)bicyclo[2.2.1]hept-5-ene [( R, R)- and ( S, S)-Norphos].
(E)-1,2-双(二苯基膦基)乙烯用过氧化氢氧化得到(E)-1,2-双(二苯基膦基)乙烯。(E)-1,2-双(二苯基磷酰基)乙烯与环戊二烯的Diels-Alder反应产生2,3-双(二苯基-磷酰基)双环[2.2.1]庚-5-烯(NorphosO)。RAC-NorphosO 用 O,O-二苯甲酰基酒石酸拆分。( R, R)- 和 ( S, S)-NorphosO 用三氯硅烷还原得到 2,3-双(二苯-基膦基)双环[2.2.1]hept-5-ene [( R, R)- 和 ( S,S)-Norphos]。