A Simple Approach to the Synthesis of 1,4-Bis(arylsulfonyl)tetrahydropyrazine-2,5-diones |
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| Authors: | Issa Yavari Abdolali Alizadeh |
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| Institution: | (1) Department of Chemistry, University of Tarbiat Modarres, P.O. Box 14115-175 Tehran, Iran, IR |
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| Abstract: | Summary. The addition of triphenylphosphine to dimethyl acetylenedicarboxylate in the presence of arylsulfonylglycyl chlorides leads
to 1,4-bis-arylsulfonyl-tetrahydropyrazine-2,5-diones and dimethyl (E)-2-chloro-2-butenedioate.
Corresponding author. E-mail: isayavar@yahoo.com
Received June 3, 2002; accepted June 10, 2002 |
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| Keywords: | , Arylsulfonylglycyl chlorides, Dimethyl acetylenedicarboxylate, Dimethyl (E)-2-chloro-2-butenedioate, Tetrahydropyrazine-2,5-diones,,,,,,Triphenylphosphine, |
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