Regioselective synthesis of poly-substituted thiophenes from Baylis–Hillman adducts
✍ Scribed by Hyun Seung Lee; Se Hee Kim; Jae Nyoung Kim
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- French
- Weight
- 242 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0040-4039
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## Abstract For Abstract see ChemInform Abstract in Full Text.
Tetrasubstituted pyrazole derivatives 3a-j were synthesized regioselectively in good yields from the reaction of Baylis-Hillman adducts 1a-f and hydrazine hydrochlorides 2a-d in 1,2-dichloroethane.
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
The first successful intermolecular Heck reaction between Baylis-Hillman adducts and aryl iodides was achieved under the conditions comprising Pd(OAc) 2 /n-Bu 4 NBr/KOAc in CH 3 CN.