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Cycloaddition reactions synthesis

Only a limited number of examples are known of applications of thietanes in organic synthesis. Prominent among these examples would be electrophilic ring opening reactions leading to polyfunctional sulfur compounds (33)-(37), utilization of 3-thietanones (55) and metal complexes (87) derived therefrom as oxyallyl zwitterion equivalents in cycloaddition reactions, synthesis of dipeptide (63) with a /3-thiolactone, Raney nickel desulfurization of thietanes (e.g. 120 cf. Table 7) as a route to gem-dimethyl compounds, and desulfurization of thietanes (e.g. 17) in the synthesis of cyclopropanes (also see Table 7). [Pg.447]

Hetero Diels-Alder cycloaddition reactions, synthesis of natural heterocyclic products by, 42, 245... [Pg.309]

Hetero Diels-Alder cycloaddition reactions, synthesis of natural heterocyclic products by, 42, 245 Heterodienophiles, new, heterocyclic synthesis using, 55, 1 Hilbert-Johnson reaction of 2,4-... [Pg.346]

Aprotic Solvents, in J. F. Coetzee and C. D. Ritchie (eds.) Solute-Solvent Interactions, Dekker, New York, London, 1969, Vol. 1, p. 219ff. [95] H. Liebig Prdparative Chemie in aprotonischen Ldsungsmitteln, Chemiker-Ztg. 95, 301 (1971). [96] E. S. Amis and J. F. Hinton Solvent Effects on Chemical Phenomena, Academic Press, New York, London, 1973, Vol. 1, p. 271ff. [97] P. K. Kadaba Role of Protic and Dipolar Aprotic Solvents in Heterocyclic Syntheses via 1,3-Dipolar Cycloaddition Reactions, Synthesis 1973, 71. [98] J. H. Hildebrand and R. L. Scott The Solubility of Nonelectrolytes, 3 ed., Reinhold, New York, 1950 Dover, New York, 1964 J. H. Hildebrand and R. L. Scott Regular Solutions, Prentice-Hall, Englewood Cliffs/New Jersey, 1962 J. H. Hildebrand, J. M. Prausnitz, and R. L. Scott Regular and Related Solutions, Van Nostrand-Reinhold, Princeton/New Jersey, 1970. [99] A. E. M. Barton Handbook of Solubility Parameters and other Cohesion Parameters, CRC Press, Boca Raton/Elorida, 1983. [100] M. R. J. Dack, Aust. J. Chem. 28, 1643 (1975). [Pg.523]

Ochiai, M., M. Obayashi, and K. Morita. 1967. A new 1,3-dipolar cycloaddition reaction. Synthesis of some isoxazolidine derivatives. Tetrahedron 23 2641-2648. [Pg.353]

Rigby JH, Kirova-Snover M. Studies onintramolecular Cr (O)-promoted [6tt+2tt] cycloaddition reaction. Synthesis of P-cedrene. Tetrahedron Lett. 1997 38 8153-8156. [Pg.518]

Craft DT, Gung BW. The first transannular [4+3] cycloaddition reaction synthesis of the ABCD ring structure of cortistatins. Tetrahedron Lett. 2008 49 5931-5934. [Pg.577]


See other pages where Cycloaddition reactions synthesis is mentioned: [Pg.68]    [Pg.69]    [Pg.182]   
See also in sourсe #XX -- [ Pg.70 ]

See also in sourсe #XX -- [ Pg.1083 ]




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