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An oxo-Diels–Alder reaction is an organic reaction and a variation of the Diels–Alder reaction in which a suitable diene reacts with an aldehyde to form a dihydropyran ring. This reaction is of some importance to synthetic organic chemistry. : The oxo-DA reaction was first reported in 1949 〔''A Diels–Alder Type Reaction with Formaldehyde'' Thomas L. Gresham, Thomas R. Steadman J. Am. Chem. Soc., 1949, 71 (2), pp 737–738 〕 using a methylpentadiene and formaldehyde as reactants. : Asymmetric oxo-DA reactions (including catalytic reactions) are well known.〔''Tetrahedron Report number 869 Asymmetric hetero-Diels–Alder reactions of carbonyl compounds'' Helene Pellissier Tetrahedron 65 (2009) 2839–2877 〕 Many strategies rely on coordinating a chiral Lewis acid to the carbonyl group. ==See also== * Aza Diels–Alder reaction 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Oxo-Diels–Alder reaction」の詳細全文を読む スポンサード リンク
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