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pro vyhledávání: '"Philip Barkawitz"'
Publikováno v:
Organic Letters. 24:3028-3032
Publikováno v:
Organic letters. 24(16)
A facile and efficient route to dithiolanes starting from donor-acceptor cyclopropanes is reported. Potassium
Autor:
Ivan A. Andreev, Philip Barkawitz, Anu Jacob, Nina K. Ratmanova, Igor V. Trushkov, Daniel B. Werz
Publikováno v:
Synlett. 32:901-904
An easy and efficient route to obtain 2-amino-4,5-dihydrothiophenes is presented. A formal (3+2)-cycloaddition of donor–acceptor cyclopropanes and ammonium thiocyanate catalyzed by Yb(OTf)3 delivers the desired products in good to excellent yields.
Publikováno v:
Organic Letters. 16:5804-5807
Donor-acceptor cyclopropanes are reacted with iodobenzene dichloride to afford ring-opened products bearing chlorine atoms in the 1- and 3-positions, adjacent to the donor and acceptor groups. A variety of different donors (e.g., alkyl, aryl, N, and
Publikováno v:
ChemInform. 46
Aliphatic, aromatic, oxygen, and nitrogen containing substituents are successfully employed as donors in the title reaction.