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(1E)-1,3-dimethoxy-1,3-butadiene |
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| Authors: | Paul Dowd William Weber |
| Institution: | Department of Chemistry, University of Pittsburgh Pittsburgh, Pennsylvania 15260 U.S.A. |
| Abstract: | Reaction of 1,1-dimethoxy-2-butyne (II) with sodium methoxide in dimethyl sulfoxide at 100° yields (1E)-1,3-dimethoxybutadiene (III) (20–30%). The diene III undergoes ready Diels-Alder reaction with maleic anhydride, N-phenyltriazolinedione and dimethyl acetylenedicarboxylate. |
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