REFERENCES
- Vandewalle , M. ; Clercq , P. D. Total synthesis of polycarbocyclic sesquiterpenes . Tetrahedron 1985 , 41 , 1767 .
- For reviews on synthesis of spirocompounds : (a) Pradhan , R. ; Patra , M. ; Behera , A. K. ; Mishra , B. K. ; Behera , R. K. A synthon approach to spiro compounds . Tetrahedron 2006 , 62 , 779 ; (b) Sannigrahi , M. Stereocontrolled synthesis of spirocyclics . Tetrahedron 1999 , 55 , 9077 ; (c) Krapcho , A. Synthesis of carbocyclic spirocompounds via intramolecular alkylation routes . Synthesis 1974 , 383 .
- Bouillon , R. ; De Clercq , P. ; Schepens , W. ; Vandewalle , M. ; Verstuyf , A. Preparation of 7-(2-cyclohexylidene-ethylidene)-spiro[5.5]undecanes useful for treating osteoporosis . PCT Int. Appl. WO 2006060885, A1 20060615 , 2006 .
- (a) Inui , M. ; Nakazaki , A. ; Kobayashi , S. Highly stereoselective construction of spiro[4.5]decanes by SmI2 promoted ketyl radical mediated tandem cyclisation . Org. Lett. 2007 , 9 , 469 ; (b) Srikrishna , A. ; Lakshmi , B. V. ; Mathews , M. Construction of spiro[5.5]decanes containing a quaternary carbon adjacent to a spirocentre via an Ireland ester Claisen rearrangement and RCM reaction sequence: Total synthesis of (±)-α-chamigrene, (±)-β-chamigrene, and (±) laurencenone C . Tetrahedron Lett. 2006 , 47 , 2103 .
- (a) Miyamoto , H. ; Okawa , Y. ; Nakazaki , A. ; Kobayashi , S. Highly diastereoselective one-pot synthesis of spirocyclic oxindoles through intramolecular Ullmann coupling and Claisen rearrangement . Angew. Chem. Int. Ed. 2006 , 45 , 2274 ; (b) Nakazaki , A. ; Era , T. ; Numada , Y. ; Kobayashi , S. Stereoselective total synthesis of (±)-α-vetispitrene, (±) hinesol, and (±)-β-vetivone based on a Claisen rearrangement . Tetrahedron 2006 , 62 , 6264 : (c) Nakazaki , A. ; Miyamoto , H. ; Henmi , K. ; Kobayashi , S. Stereoselective synthesis of functionalized spiro[4.5]decanes by Claisen rearrangement of bicyclic dihydropyrans . Synlett. 2005 , 1417 .
- Enholm , E. J. ; Burroff , J. A. Tandem radical cyclization promoted by O-stannyl ketyls . Tetrahedron 1997 , 53 , 13583 .
- Singh , V. ; Sahu , P. K. ; Singh , R. B. ; Mobin , S. M. Molecular complexity from aromatics: A novel, stereoselective route to tricyclo[5.2.2.01,5]undecenones, tricyclo[6.2.2.01,6] dodecenones, and [n.3.3]propellanes . J. Org. Chem. 2007 , 72 , 10155 .
- Spiegel , D. A. ; Njardarson , J. T. ; Wood , J. L. CP-263,114 synthetic studies: Construction of an isotwistane ring system via rhodium carbenoid C–H insertion . Tetrahedron 2002 , 58 , 6545 .
- Zhong , Y. L. ; Shing , T. K. M. Efficient and facile glycol cleavage oxidation using improved silicagel supported sodium metaperiodate . J. Org. Chem. 1997 , 62 , 2622 .