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2
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9944252875
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note
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It has been shown that nature use the same principle to down regulate the production of certain proteins. See:
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4
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9944256155
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note
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For leading references on the antisense strategy, see:
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11
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9944258987
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note
-
It has been shown that heteroduplexes between m-RNA and MON may be recognized by RNase H and result in the selective cleavage of the m-RNA strand. See:
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18
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0001929474
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G. Stix Sci. Am. 297 1998 46 50
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85057633810
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m values, see reference [3a]
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26
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9944224214
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The ground work of Blackbum and McKenna in the early eighties has resulted in the synthesis of a number of analogues encompassing the α,α-difluorophosphonate unit. See for instance:
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0029656226
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S. Halazy, A. Ehrhard, A. Eggenspiller, V. Berges-Gross, and C. Danzin Tetrahedron 52 1996 177 184
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9944229957
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It has also been suggested that the α-monofluorophosphonates give, at least in some cases, superior results to α,α-difluorination in phosphonate mimics of biological phosphates. See:
-
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42
-
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9944243617
-
-
note
-
Beside this approach and the radical one described in the second part of this paper, other possible solutions to the problem of preparing difluorophosphonates with this particular substitution pattern have been published. See:
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46
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0029890016
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9944238292
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See reference [12c]
-
See reference [12c]
-
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79
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9944265733
-
-
note
-
The crystal structure data of compound 24 have been deposited at the Cambridge Crystallographic Data Centre (deposition number: CCDC 244631).
-
-
-
-
93
-
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9944244027
-
-
note
-
The suggestion by Shibuya of the possible participation of a phosphonothioyl unit (the result of the longer PS bond, when compared to the PO bond) might be extended to the difluorinated analogue. See:
-
-
-
-
97
-
-
9944236298
-
-
note
-
Yokomatsu has recently described the synthesis of a fully protected 2,3-deoxy-3-phosphonodifluoromethyl nucleoside. See references [14k,m].
-
-
-
-
98
-
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85057633744
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-
note
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2 center followed by a sigmatropic rearrangement. See reference [14g].
-
-
-
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100
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9944265015
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Tedder has discussed the importance of polarity, bond strength and steric effects on the rate of both free radical addition to olefins and free radical substitution. See:
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