Successively Recycle Waste as Catalyst: A One-Pot Wittig/1,4-Reduction/Paal–Knorr Sequence for Modular Synthesis of Substituted Furans
作者:Long Chen、Yi Du、Xing-Ping Zeng、Tao-Da Shi、Feng Zhou、Jian Zhou
DOI:10.1021/acs.orglett.5b00442
日期:2015.3.20
A one-pot tandem Wittig/conjugate reduction/PaalKnorr reaction is reported for the synthesis of di- or trisubstituted furans. This novel sequence first demonstrates the possibility of successively recycling waste from upstream steps to catalyze downstream reactions.