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67650062494
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PS-BEMP refers to 2-tert-butylimino-2-diethylamino-1,3- dimethylperhydro-1,3,2-diazaphosphorine on polystyrene 2% DVB, loading 2.2 mmol/g. Commercially available from Aldrich Cat No. 20026-XXG where XX is the quantity in grams.
-
PS-BEMP refers to 2-tert-butylimino-2-diethylamino-1,3- dimethylperhydro-1,3,2-diazaphosphorine on polystyrene 2% DVB, loading 2.2 mmol/g. Commercially available from Aldrich Cat No. 20026-XXG where XX is the quantity in grams.
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-
-
-
62
-
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67650008837
-
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PS-TBD refers to 1,5,7-triazabicyclo[4.4.0]dec-5-ene-polystyrene cross-linked with 2% DVB, loading 1.33 mmol/g. Commercially available from Biotage Cat. No. 800422.
-
PS-TBD refers to 1,5,7-triazabicyclo[4.4.0]dec-5-ene-polystyrene cross-linked with 2% DVB, loading 1.33 mmol/g. Commercially available from Biotage Cat. No. 800422.
-
-
-
-
63
-
-
67650042193
-
-
Available from Varian Inc. named as Bond Elut silica packed cartridges
-
Available from Varian Inc. named as Bond Elut silica packed cartridges.
-
-
-
-
64
-
-
0001346535
-
-
Fornicola, R. S.; Oblinger, E.; Montgomery, J. J. Org. Chem. 1998, 63, 3528.
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J. Org. Chem
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Fornicola, R.S.1
Oblinger, E.2
Montgomery, J.3
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65
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67650018916
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Experiments to try and exclude the possibility of excess ethyl chloroformate being responsible for the secondary products following addition to the nitrostyrene were conducted using sub-stoichiometric quantities to quench the original TosMIC anion. These reactions gave comparable crude mixtures accompanied by the components from the standard Barton-Zard condensation. The possibility that the TosMIC could still act as a leaving group and consequently as an ethyl formate transfer agent can still not be excluded
-
Experiments to try and exclude the possibility of excess ethyl chloroformate being responsible for the secondary products following addition to the nitrostyrene were conducted using sub-stoichiometric quantities to quench the original TosMIC anion. These reactions gave comparable crude mixtures accompanied by the components from the standard Barton-Zard condensation. The possibility that the TosMIC could still act as a leaving group and consequently as an ethyl formate transfer agent can still not be excluded.
-
-
-
-
66
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67650025172
-
-
1H NMR and X-ray analysis was used to confirm the structure.
-
1H NMR and X-ray analysis was used to confirm the structure.
-
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