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Self-assembly of pyrrole-2-carboxylates: Substituent effect on the synthon conversion

✍ Scribed by Yimei Cui; Zhenming Yin; Li Dong; Jiaqi He

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
870 KB
Volume
938
Category
Article
ISSN
0022-2860

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## Abstract Reactions of 1__H__‐pyrrole‐2,3‐diones 2a‐i with N‐ and O‐nucleophiles proceed by initial attack at C‐2 or/and C‐5. Consequently, earlier results suggesting structures of type A (attack at C‐3) have to be revised (5, 13, 17, 18b). In general, electron‐withdrawing substituents at C‐4 fav