Claims
- 1. The Diels-Alder dimer of N-phenyl-1,3-butadiene-2,3-dicarboximide.
- 2. The Diels-Alder dimer of N-alkyl-1,3-butadiene-2,3-dicarboximide.
- 3. The Diels-Alder dimer of N-alkyl-1,3-butadiene-2,3-dicarboximide of claim 2 wherein said alkyl is methyl.
Parent Case Info
This is a Divisional application of Ser. No. 603,221, filed August 8, 1975 now U.S. Pat. No. 4,056,542, patented Nov. 1, 1977; which is a Divisional application of Ser. No. 360,962, filed May 16, 1973, now U.S. Pat. No. 3,932,457, patented Jan. 13, 1976.
US Referenced Citations (6)
Non-Patent Literature Citations (5)
Entry |
Gryaznov et al., Chem. Abs. 56, 10973i (1962). |
Tsuji et al., Chem. Abs. 72, 66629e (1970). |
Salakhov et al., Chem. Abs. 76, 59034m. |
Zahovszky et al., Chem. Abs. 80, 95185c (1973). |
Lawton et al., J. Organic Chem. 24, pp. 26-28 (1954). |
Divisions (2)
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Number |
Date |
Country |
Parent |
603221 |
Aug 1975 |
|
Parent |
360962 |
May 1973 |
|