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This begs the question: "What happens to 1 if the m-CPBA is buffered?" For the answer, the reader is directed to: Tius, M. A.; Cullingham, J. M.; Ali, S. Hydroxyquinone Annelation. J. Chem. Soc., Chem. Commun. 1989, 867-869.
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Interesting related work has been reported by others: (a) Browder, C. C.; Marmsaeter, F. P.; West, F. G. Highly Efficient Trapping of the Nazarov Intermediate with Substituted Arenes. Org. Lett. 2001, 3, 3033-3035. (b) Giese, S.; West, F. G. Ionic Hydrogenation of Oxyallyl Intermediates: The Reductive Nazarov Cyclization. Tetrahedron 2000, 56, 10221-10228. (c) Bender, J. A.; Arif, A. M.; West, F. G. Nazarov-Initiated Diastereoselective Cascade Polycyclization of Aryltrienones. J. Am. Chem. Soc. 1999, 121, 7443-7444. (d) Hashmi, A. S. K.; Bats, J. W.; Choi, J.-H.; Schwarz, L. Isomerizations on Silica Gel: Synthesis of Allenyl Ketones and the First Nazarov Cyclizations of Vinyl Allenyl Ketones. Tetrahedron Lett. 1998, 39, 7491-7494. (e) Jacobi, P. A.; Armacost, L. M.; Brielmann, H. L.; Cann, R. O.; Kravitz, J. I.; Martinelli, M. J. Enynones in Organic Synthesis. 6. Synthesis of Spirocyclic Methylenecyclopentenones and Analogues of the Methylenomycin Class of Antibiotics. Mechanism of Phenol Catalysis. J. Org. Chem. 1994, 59, 5292-5304. (f) Jacobi, P. A.; Cann, R. O.; Skibbie, D. F. A Convenient Synthesis of Methylenomycin B. Further Mechanistic Studies on the SET Catalyzed Electrocyclization of Enynones. Tetrahedron Lett. 1992, 33, 2265-2268. (g) Denmark, S. E.; Wallace, M. A.; Walker, C. B., Jr. Silicon-Directed Nazarov Cyclizations. 8. Stereoelectronic Control of Torquoselectivity. J. Org. Chem. 1990, 55, 5543-5545. (h) Jacobi, P. A.; Armacost, L. M.; Kravitz, J. I.; Martinelli, M. J.; Selnick, H. G. Enynones in Organic Synthesis. I. Spiroannulation by Tandem oxy-Cope Rearrangement-Electrocyclic Ring Closure. Tetrahedron Lett. 1988, 29, 6865-6868, et seq.
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Interesting related work has been reported by others: (a) Browder, C. C.; Marmsaeter, F. P.; West, F. G. Highly Efficient Trapping of the Nazarov Intermediate with Substituted Arenes. Org. Lett. 2001, 3, 3033-3035. (b) Giese, S.; West, F. G. Ionic Hydrogenation of Oxyallyl Intermediates: The Reductive Nazarov Cyclization. Tetrahedron 2000, 56, 10221-10228. (c) Bender, J. A.; Arif, A. M.; West, F. G. Nazarov-Initiated Diastereoselective Cascade Polycyclization of Aryltrienones. J. Am. Chem. Soc. 1999, 121, 7443-7444. (d) Hashmi, A. S. K.; Bats, J. W.; Choi, J.-H.; Schwarz, L. Isomerizations on Silica Gel: Synthesis of Allenyl Ketones and the First Nazarov Cyclizations of Vinyl Allenyl Ketones. Tetrahedron Lett. 1998, 39, 7491-7494. (e) Jacobi, P. A.; Armacost, L. M.; Brielmann, H. L.; Cann, R. O.; Kravitz, J. I.; Martinelli, M. J. Enynones in Organic Synthesis. 6. Synthesis of Spirocyclic Methylenecyclopentenones and Analogues of the Methylenomycin Class of Antibiotics. Mechanism of Phenol Catalysis. J. Org. Chem. 1994, 59, 5292-5304. (f) Jacobi, P. A.; Cann, R. O.; Skibbie, D. F. A Convenient Synthesis of Methylenomycin B. Further Mechanistic Studies on the SET Catalyzed Electrocyclization of Enynones. Tetrahedron Lett. 1992, 33, 2265-2268. (g) Denmark, S. E.; Wallace, M. A.; Walker, C. B., Jr. Silicon-Directed Nazarov Cyclizations. 8. Stereoelectronic Control of Torquoselectivity. J. Org. Chem. 1990, 55, 5543-5545. (h) Jacobi, P. A.; Armacost, L. M.; Kravitz, J. I.; Martinelli, M. J.; Selnick, H. G. Enynones in Organic Synthesis. I. Spiroannulation by Tandem oxy-Cope Rearrangement-Electrocyclic Ring Closure. Tetrahedron Lett. 1988, 29, 6865-6868, et seq.
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Interesting related work has been reported by others: (a) Browder, C. C.; Marmsaeter, F. P.; West, F. G. Highly Efficient Trapping of the Nazarov Intermediate with Substituted Arenes. Org. Lett. 2001, 3, 3033-3035. (b) Giese, S.; West, F. G. Ionic Hydrogenation of Oxyallyl Intermediates: The Reductive Nazarov Cyclization. Tetrahedron 2000, 56, 10221-10228. (c) Bender, J. A.; Arif, A. M.; West, F. G. Nazarov-Initiated Diastereoselective Cascade Polycyclization of Aryltrienones. J. Am. Chem. Soc. 1999, 121, 7443-7444. (d) Hashmi, A. S. K.; Bats, J. W.; Choi, J.-H.; Schwarz, L. Isomerizations on Silica Gel: Synthesis of Allenyl Ketones and the First Nazarov Cyclizations of Vinyl Allenyl Ketones. Tetrahedron Lett. 1998, 39, 7491-7494. (e) Jacobi, P. A.; Armacost, L. M.; Brielmann, H. L.; Cann, R. O.; Kravitz, J. I.; Martinelli, M. J. Enynones in Organic Synthesis. 6. Synthesis of Spirocyclic Methylenecyclopentenones and Analogues of the Methylenomycin Class of Antibiotics. Mechanism of Phenol Catalysis. J. Org. Chem. 1994, 59, 5292-5304. (f) Jacobi, P. A.; Cann, R. O.; Skibbie, D. F. A Convenient Synthesis of Methylenomycin B. Further Mechanistic Studies on the SET Catalyzed Electrocyclization of Enynones. Tetrahedron Lett. 1992, 33, 2265-2268. (g) Denmark, S. E.; Wallace, M. A.; Walker, C. B., Jr. Silicon-Directed Nazarov Cyclizations. 8. Stereoelectronic Control of Torquoselectivity. J. Org. Chem. 1990, 55, 5543-5545. (h) Jacobi, P. A.; Armacost, L. M.; Kravitz, J. I.; Martinelli, M. J.; Selnick, H. G. Enynones in Organic Synthesis. I. Spiroannulation by Tandem oxy-Cope Rearrangement-Electrocyclic Ring Closure. Tetrahedron Lett. 1988, 29, 6865-6868, et seq.
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Interesting related work has been reported by others: (a) Browder, C. C.; Marmsaeter, F. P.; West, F. G. Highly Efficient Trapping of the Nazarov Intermediate with Substituted Arenes. Org. Lett. 2001, 3, 3033-3035. (b) Giese, S.; West, F. G. Ionic Hydrogenation of Oxyallyl Intermediates: The Reductive Nazarov Cyclization. Tetrahedron 2000, 56, 10221-10228. (c) Bender, J. A.; Arif, A. M.; West, F. G. Nazarov-Initiated Diastereoselective Cascade Polycyclization of Aryltrienones. J. Am. Chem. Soc. 1999, 121, 7443-7444. (d) Hashmi, A. S. K.; Bats, J. W.; Choi, J.-H.; Schwarz, L. Isomerizations on Silica Gel: Synthesis of Allenyl Ketones and the First Nazarov Cyclizations of Vinyl Allenyl Ketones. Tetrahedron Lett. 1998, 39, 7491-7494. (e) Jacobi, P. A.; Armacost, L. M.; Brielmann, H. L.; Cann, R. O.; Kravitz, J. I.; Martinelli, M. J. Enynones in Organic Synthesis. 6. Synthesis of Spirocyclic Methylenecyclopentenones and Analogues of the Methylenomycin Class of Antibiotics. Mechanism of Phenol Catalysis. J. Org. Chem. 1994, 59, 5292-5304. (f) Jacobi, P. A.; Cann, R. O.; Skibbie, D. F. A Convenient Synthesis of Methylenomycin B. Further Mechanistic Studies on the SET Catalyzed Electrocyclization of Enynones. Tetrahedron Lett. 1992, 33, 2265-2268. (g) Denmark, S. E.; Wallace, M. A.; Walker, C. B., Jr. Silicon-Directed Nazarov Cyclizations. 8. Stereoelectronic Control of Torquoselectivity. J. Org. Chem. 1990, 55, 5543-5545. (h) Jacobi, P. A.; Armacost, L. M.; Kravitz, J. I.; Martinelli, M. J.; Selnick, H. G. Enynones in Organic Synthesis. I. Spiroannulation by Tandem oxy-Cope Rearrangement-Electrocyclic Ring Closure. Tetrahedron Lett. 1988, 29, 6865-6868, et seq.
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Interesting related work has been reported by others: (a) Browder, C. C.; Marmsaeter, F. P.; West, F. G. Highly Efficient Trapping of the Nazarov Intermediate with Substituted Arenes. Org. Lett. 2001, 3, 3033-3035. (b) Giese, S.; West, F. G. Ionic Hydrogenation of Oxyallyl Intermediates: The Reductive Nazarov Cyclization. Tetrahedron 2000, 56, 10221-10228. (c) Bender, J. A.; Arif, A. M.; West, F. G. Nazarov-Initiated Diastereoselective Cascade Polycyclization of Aryltrienones. J. Am. Chem. Soc. 1999, 121, 7443-7444. (d) Hashmi, A. S. K.; Bats, J. W.; Choi, J.-H.; Schwarz, L. Isomerizations on Silica Gel: Synthesis of Allenyl Ketones and the First Nazarov Cyclizations of Vinyl Allenyl Ketones. Tetrahedron Lett. 1998, 39, 7491-7494. (e) Jacobi, P. A.; Armacost, L. M.; Brielmann, H. L.; Cann, R. O.; Kravitz, J. I.; Martinelli, M. J. Enynones in Organic Synthesis. 6. Synthesis of Spirocyclic Methylenecyclopentenones and Analogues of the Methylenomycin Class of Antibiotics. Mechanism of Phenol Catalysis. J. Org. Chem. 1994, 59, 5292-5304. (f) Jacobi, P. A.; Cann, R. O.; Skibbie, D. F. A Convenient Synthesis of Methylenomycin B. Further Mechanistic Studies on the SET Catalyzed Electrocyclization of Enynones. Tetrahedron Lett. 1992, 33, 2265-2268. (g) Denmark, S. E.; Wallace, M. A.; Walker, C. B., Jr. Silicon-Directed Nazarov Cyclizations. 8. Stereoelectronic Control of Torquoselectivity. J. Org. Chem. 1990, 55, 5543-5545. (h) Jacobi, P. A.; Armacost, L. M.; Kravitz, J. I.; Martinelli, M. J.; Selnick, H. G. Enynones in Organic Synthesis. I. Spiroannulation by Tandem oxy-Cope Rearrangement-Electrocyclic Ring Closure. Tetrahedron Lett. 1988, 29, 6865-6868, et seq.
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25
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0001401915
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Allene ethers for cationic cyclopentannelation
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Tius, M. A.; Ousset, J.-B.; Astrab, D. P.; Fauq, A. H.; Trehan, S. Allene Ethers for Cationic Cyclopentannelation. Tetrahedron Lett. 1989, 30, 923-924.
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26
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0033214802
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α,β-unsaturated acyl silanes
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(a) Stergiades, I. A.; Tius, M. A. α,β-Unsaturated Acyl Silanes. J. Org. Chem. 1999, 64, 7547-7551.
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0032514439
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Synthesis of α-substituted α,β-unsaturated acylsilanes
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28
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0000488454
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Diastereoselective β-elimination. Synthesis of chiral alkoxy-allenes
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0035912322
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Synthesis of enantiomerically enriched allenes by (-)-sparteine-mediated lithiation of alkynyl carbamates
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Schultz-Fademrecht, C.; Wibbeling, B.; Fröhlich, R.; Hoppe, D. Synthesis of Enantiomerically Enriched Allenes by (-)-Sparteine-Mediated Lithiation of Alkynyl Carbamates. Org. Lett. 2001, 3, 1221-1224.
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Schultz-Fademrecht, C.1
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30
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0033610446
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Asymmetric cyclopentannelation. Axial to tetrahedral chirality transfer
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Hu, H.; Smith, D.; Cramer, R. E.; Tius, M. A. Asymmetric Cyclopentannelation. Axial to Tetrahedral Chirality Transfer. J. Am. Chem. Soc. 1999, 121, 9895-9896.
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Hu, H.1
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31
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0034632362
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Asymmetric cyclopentannelation. Chiral auxiliary on the allene
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Harrington, P. E.; Tius, M. A. Asymmetric Cyclopentannelation. Chiral Auxiliary on the Allene. Org. Lett. 2000, 2, 2447-2450.
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Harrington, P.E.1
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32
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0035812407
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Synthesis and absolute stereochemistry of roseophilin
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(a) Harrington, P. E.; Tius, M. A. Synthesis and Absolute Stereochemistry of Roseophilin. J. Am. Chem. Soc. 2001, 123, 8509-8514.
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Harrington, P.E.1
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33
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0033606874
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A formal total synthesis of roseophilin: Cyclopentannelation approach to the macrocyclic core
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(b) Harrington, P. E.; Tius, M. A. A Formal Total Synthesis of Roseophilin: Cyclopentannelation Approach to the Macrocyclic Core. Org. Lett. 1999, 1, 649-651.
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Harrington, P.E.1
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34
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0037012714
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Synthesis of enantioenriched 5-alkylidene-2-cyclopentenones from chiral allenyl carbamates: Generation of a chiral lithium allenolate and allylic activation for a conrotatory 4-electrocyclization
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Schultz-Fademrecht, C., Tius, M. A.; Grimme, S.; Wibbeling, B.; Hoppe, D. Synthesis of Enantioenriched 5-Alkylidene-2-cyclopentenones from Chiral Allenyl Carbamates: Generation of a Chiral Lithium Allenolate and Allylic Activation for a Conrotatory 4-Electrocyclization. Angew. Chem., Int. Ed. Engl. 2002, 41, 1532-1535.
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Angew. Chem., Int. Ed. Engl.
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Schultz-Fademrecht, C.1
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Wibbeling, B.4
Hoppe, D.5
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35
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0037189903
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Asymmetric cyclopentannelation. Camphor-derived auxiliary
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Harrington, P. E.; Murai, T.; Chu, C.; Tius, M. A. Asymmetric Cyclopentannelation. Camphor-Derived Auxiliary. J. Am. Chem Soc. 2002, 124, 10091-10100.
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Harrington, P.E.1
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36
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0000783413
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Densely functionalized cyclopentenones
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Tius, M. A.; Zhou, X.-M. Densely Functionalized Cyclopentenones. Tetrahedron Lett. 1989, 30, 4629-4632.
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Tius, M.A.1
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0030592823
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Rapid assembly of multifunctional five-membered rings. Application to the synthesis of (±)-xanthocidin
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Tius, M. A.; Drake, D. J. Rapid Assembly of Multifunctional Five-Membered Rings. Application to the Synthesis of (±)-Xanthocidin. Tetrahedron 1996, 52, 14651-14660.
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Tius, M.A.1
Drake, D.J.2
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38
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0037015433
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Synthesis of the hydroazulene portion of guanacastepene A from the cyclopentannelation reaction
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Nakazaki, A.; Sharma, U.; Tius, M. A. Synthesis of the Hydroazulene Portion of Guanacastepene A from the Cyclopentannelation Reaction. Org. Lett. 2002, 14, 3363-3366.
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Nakazaki, A.1
Sharma, U.2
Tius, M.A.3
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