Total Asymmetric-Synthesis of Polypropionate Fragments and Doubly Branched Heptono-1,4-Lactones

2-Cyano-1,5-dimethyl-7-oxabicyclo[2.2.1]hept-5-en-2-yl (1'R)-camphanate ((+)-3)and (+)-(1R,4R)-1,5-dimethyl-7-oxabicyclo[2.2.1]hept-5-en-2-one ((+)-4) were obtained readily from 3,4-dimethylfuran. (+)-3 was converted into 2,7-dideoxy-2,4-di-C-methyl-L-glycero- and D-glycero-L-altro-heptono-1,4-lactone ((+)-17) and ((+)-18).


Published in:
Tetrahedron Letters, 34, 15, 2473-2476
Year:
1993
ISSN:
0040-4039
Keywords:
Note:
Univ lausanne,chim sect,2 rue barre,ch-1005 lausanne,switzerland.
Laboratories:




 Record created 2005-11-09, last modified 2018-03-17


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