REFERENCES AND NOTES
- Since several names have been used for each of these compounds, the following abbreviated names are used: a. 4,5-dihydroisoxazole: isoxazoline or 2-isoxazoline; b. (2E)-1,3-diphenyl-2-propen-1-one: trans-chalcone [e.g., the name used by Aldrich Chemical Co]; c. (1E, 4E)-1,5-diphenyl-1,4-pentadien-3-one: dibenzalacetone [another name also used, trans, trans-dibenzilidene-acetone]; d. (3E)-4-phenyl-3-buten-2-one: benzalacetone [name also used, trans-4-phenyl-3-buten-2-one]. e. 2-phenylethenyl: styryl
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- Quilico , A. 1962 . “The Chemistry of Heterocyclic Compounds” , Vol. 17 , New York, New York : Interscience Publishers . Chapter 11
- Basel , Y. and Hassner , A. 1997 . Synthesis , : 309
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- Williams , A. R. , Finefrock , A. E. , Townsend , J. D. , Angel , A. J. , Hurst , D. R. , Rampey , M. E. , Halkyard , C. E. , Studer-Martinez , S. L. and Beam , C. F. 1998 . The Chemist , 75 : 7 Most of the other strong-base preparations of related heteroaromatic isoxazoles from dilithiated oximes have involved a Claisen-type condensation/cyclization of dilithiated oximes with esters or related electrophilic reagents
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- Han , Y. , Huang , Y Z. , Fang , L. and Tao , W. T. 1999 . Synthetic Communications , 29 : 867 Most of the recent citations using these compounds in syntheses involving specialty nucleophilic reagents have involved 1,4-additions with limited examples of 1,2-addition. Representative recent citations
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- Each of the apparent quartets has J/δν < 8, and the chemical shifts are recorded as doublets
- Silverstein , R. M. , Bassler , G. C. and Morrill , T. C. 1991 . “Spectrometric Identification of Organic Compounds,” , fifth edition , 24 New York, New York : John Wiley and Sons, Inc. . a. Fourier Transform infrared spectra (paraffin oil mulls) were obtained with a Nicolet Impact 410 FT-IR. b. 1H NMR and 13C NMR spectra were obtained with a Varian Associates Mercury Oxford 300 MHz nuclear magnetic resonance spectrometer, and chemical shifts are recorded in δ ppm downfield from an internal tetramethylsilane (TMS) standard. c. A DEPT spectrum was taken on several representative samples to determine the chemical shift of the methylene carbon (C-4) of the isoxazoline ring. d. The assignment is consistent with the chemical shifts noted for oximes, δ 158.–159.2 ppm. See also
- Shriner , R. L. , Hermann , C. K. F. , Morrill , T. C. , Curtin , D. Y. and Fuson , R. C. 1997 . “The Systematic Identification of Organic Compounds,” , seventh edition , 323 New York, New York : John Wiley and Sons, Inc. .
- a. Melting points were obtained with a Mel-Temp II melting point apparatus in open capillary tubes and are uncorrected. b. Combustion analyses for C, H and N were performed by Quantitative Technologies, Inc., P.O. Box 470, Salem Industrial Park, Bldg., 5, Whitehouse, NJ 08888.
- Isochronous: two absorptions.