82
K. Wu, Q.-Y. Chen / Journal of Fluorine Chemistry 113 /2002) 79±83
19F NMR: d À3.60 ꢀt, 8.7 Hz, 3F). MS: 156 ꢀM ), 83
3.11. 8a: C6H5OCF2CH2OC6H5
ꢀM À HOCH2CH2CH2CH3), 113 ꢀM À CH2CH2CH3).
IRꢀ®lm): 690,752,1237,1493,1582,1600. 1H NMR: d 4.46
ꢀt, 8.5 Hz, 2H), 7.08 À 7.15 ꢀm, 4H), 7.25 À 7.45 ꢀm, 6H).
3.4. 3d: CF3CH2OCH2CH/CH3)2 [33,34]
19F NMR: d À0.28 ꢀt, 8.5 Hz, 2F). MS: 250 ꢀM ), 156
Bp: 80±82 8C. 1H NMR: d 0.91 ꢀd, 6.7 Hz, 6H), 1.88 ꢀm,
1H), 3.36 ꢀd, 6.7 Hz, 2H), 3.80 ꢀq, 8.8 Hz, 2H). 19F NMR: d
À3.14 ꢀt, 8.8 Hz, 3F). MS: 156 ꢀM ), 141ꢀM À CH3), 113
ꢀM À C6H5OH), 77 ꢀC6H5), 94 ꢀC6H5OH). HRMS: calcu-
lated for C14H12F2O2: 250.08054; found: 250.08062.
ꢀM À CHꢀCH3)2).
Acknowledgements
3.5. 3e: CF3CH2OCH/CH3)CH2CH3 [33,34]
We thank the Chinese National Nature Science Founda-
tion for the ®nancial support.
1
Bp: 81±83 8C. H NMR: d 0.91 ꢀt, 6.4 Hz, 3H), 1.16
ꢀd, 6.2 Hz, 3H), 1.44 ꢀm, 2H), 3.48 ꢀm, 1H), 3.82
ꢀq, 8.7 Hz, 2H). 19F NMR: d À2.93 ꢀt, 8.7 Hz, 3F).
References
MS:156 ꢀM ), 140 ꢀM À CH3O), 127 ꢀM À CH3CH2O),
56 ꢀM À CF3CH2O).
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Bp: 60±62 8C ꢀlit. 62±63 8C). 1H NMR: d 3.97 ꢀq, 8.8 Hz,
4H). 19F NMR: d À2.98 ꢀt, 8.8 Hz, 6F). MS:182 ꢀM ), 113
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3.7. 7a: C6H5OCF2CH2Cl [35]
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F
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ꢀM À CF2CH2Cl), 77 ꢀC6H5), 94 ꢀC6H5O). Analysis: calcu-
lated for C9H9ClF2O: C, 52.32; H, 4.39; F, 18.39%; found:
C, 52.39; H, 4.38; F, 18.56%.
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1H NMR: d 2.31 ꢀs, 3H), 4.17 ꢀt, 8.8 Hz, 2H), 7.18À7.24
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157 ꢀM À CH2Cl), 108 ꢀM À CF2CH2Cl), 77 ꢀC6H5),
93 ꢀC6H5O). Analysis: calculated for C9H9ClF2O: C,
52.32; H, 4.39; F, 18.3%; found: C, 52.20; H, 4.46; F,
18.49%.
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3.10. 7d: p-/CH3)3CC6H4OCF2CH2Cl
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8.5 Hz, 2H), 7.46 ꢀd, 8.5 Hz, 2H) 19F NMR: d À2.3 ꢀt,
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8.9 Hz, 2F). MS: 248 ꢀM ), 233 ꢀM À CH3), 133
ꢀM À OCF2CH2Cl), 77 ꢀC6H5). Analysis: calculated for
C12H15F2ClO: C, 57.96; H, 6.08; F, 15.28%; found: C,
58.19; H, 6.12; F, 15.42%.
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