TANDEM OXA-MICHAEL ADDITION-S(N)2' SUBSTITUTION OF 4-CHLOROBUT-2-YN-1-OL WITH NITROALKENES - A TOTAL ALLYLIC 1,3-STRAIN-CONTROLLED DIASTEREOSELECTIVE SYNTHESIS OF 3-VINYLIDENETETRAHYDROFURANS
Jp. Dulcere et E. Dumez, TANDEM OXA-MICHAEL ADDITION-S(N)2' SUBSTITUTION OF 4-CHLOROBUT-2-YN-1-OL WITH NITROALKENES - A TOTAL ALLYLIC 1,3-STRAIN-CONTROLLED DIASTEREOSELECTIVE SYNTHESIS OF 3-VINYLIDENETETRAHYDROFURANS, Chemical communications, (10), 1997, pp. 971-972
(BuOK)-O-t-promoted reaction of 4-chlorobut-2-yn-1-ol 1 with nitroalke
nes 2 affords 3-vinylidenetetrahydrofurans 3 in good yields with total
diastereoselectivity.