Synthesis of spiroacetals using functionalised titanium carbenoids
β Scribed by Calver A. Main; Shahzad S. Rahman; Richard C. Hartley
- Book ID
- 104095452
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- French
- Weight
- 195 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
The synthesis of bis-spiroacetal (15) bearing an hydroxymethyl group at c-2 is described establishing a methodology for preparation of the polyether antibiotics salinomycin and narasin. Formation of an important iodohydrin intermediate has been accomplished by a highly efficient reaction of an epox
Insertion of lithium alkylcarbenoids RC(A)LiX, A=CN, P(O)(OEt) 2 , SO 2 Ph, OMe into alkenylzirconocene chlorides derived by hydrozirconation of terminal alkynes aords functionalised allylzirconium reagents which may be further elaborated.
The synthesis of the ketoglycosidic enynes 5, 7 and 8 starting from 2,3,4,6-tetra-O-benzyl-D-glucopyranolactone ( 2) is described. These enynes are subjected to ruthenium-mediated