Efficient Synthesis of Pyrroles from Chemoselective Addition of Primary Amines to 1,6-Dioxo-2,4-dienes
โ Scribed by Ong, Chi Wi; Chen, Chong Meng; Wang, Long Hu; Jan, Jiing Jyh; Shieh, Po Chuen
- Book ID
- 127155488
- Publisher
- American Chemical Society
- Year
- 1998
- Tongue
- English
- Weight
- 48 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0022-3263
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๐ SIMILAR VOLUMES
Reaction of 1,6-dioxo-2,4-diene with P,Ss and Lawesson's reagent affords the 2,5-disubstituted thiophene. This reaction can take place regioselectively in the presence of BF~-etherate catalysis, useful for the synthesis of arylthiophene.
## Abstract A oneโpot synthesis of dialkyl 1,3a,4,8bโtetrahydroโ3a,8bโdihydroxyโ1โalkylโ4โoxoindeno[1,2โ__b__]pyrroleโ2,3โdicarboxylates __via__ threeโcomponent reaction from indanโ1,2,3โtrione hydrate (ninhydrin), primary amines, and dialkyl acetylenedicarboxylates is described.