... Volume 46, Issue 17, 1990, Pages 5975-5992. ... Download full text in PDF. Tetrahedron VoL 46, No ... from 20 closes to give five-membered ring C-alkylation product 23.18-19 They also reported the formation of 27 from Formation of2-hydroxyaUcyl malonate "T^ 00 IS V^ oo 17 ^r 00 ...