Cyclic Dimerization of 2-Piperidylglycine. -As part of studies on the preparation of the antitumor agent DKP 593A a good method for preparing the piperazine-2,5-dione (VIII) from 2-piperidylglycine derivative (I) is found. If the intermediate (VI) is protected by Cbz instead of Boc the correspondin
โฆ LIBER โฆ
ChemInform Abstract: Spontaneous Dimerization of 2-(4-Methylphenylamino)thiophene.
โ Scribed by V. YU. VVEDENSKII; E. D. SHTEFAN; R. N. MALYUSHENKO; E. V. SHILKIN; E. H. DERYAGINA
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 26 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0931-7597
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โฆ Synopsis
Spontaneous Dimerization of 2-(4-Methylphenylamino)thiophene.
-The new title thiophene (III), prepared from thiophenethiole (I) and ptoluidine (II), undergoes spontaneously a dimerization during storage at room temperature to produce the compound (IV). -(VVEDENSKII, V.
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