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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List p-Nitrobenzyl 2-Diazo-3-trimethylsilyloxy-3-butenoate
93788-47-7

p-Nitrobenzyl 2-Diazo-3-trimethylsilyloxy-3-butenoate synthesis

4synthesis methods
p-Nitrobenzyl 2-Diazo-3-trimethylsilyloxy-3-butenoate is prepared by silylation of the corresponding diazoacetoacetate with a silyl triflate (Trimethylsilyl Trifluoromethanesulfonate or t-Butyldimethylsilyl Trifluoromethanesulfonate) and Triethylamine in CH2Cl2. For large scale preparations the use of Chlorotrimethylsilane, Potassium Iodide (one equivalent), and Et3N in acetonitrile is more advantageous.
27607-77-8 Synthesis
Trimethylsilyl trifluoromethanesulfonate

27607-77-8
505 suppliers
$10.00/5g

82551-63-1 Synthesis
4-Nitrobenzyl 2-diazoacetoacetate

82551-63-1
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p-Nitrobenzyl 2-Diazo-3-trimethylsilyloxy-3-butenoate

93788-47-7
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Yield:93788-47-7 90%

Reaction Conditions:

with triethylamine in dichloromethane at 0 - 5; for 0.5 h;

References:

Ueda;Roberge;Vinet [Canadian Journal of Chemistry,1984,vol. 62,# 12,p. 2936 - 2940]

Iodotrimethylsilane

16029-98-4
401 suppliers
$29.00/5g

82551-63-1 Synthesis
4-Nitrobenzyl 2-diazoacetoacetate

82551-63-1
170 suppliers
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p-Nitrobenzyl 2-Diazo-3-trimethylsilyloxy-3-butenoate

93788-47-7
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References
619-73-8 Synthesis
4-Nitrobenzyl alcohol

619-73-8
569 suppliers
$5.00/10g

p-Nitrobenzyl 2-Diazo-3-trimethylsilyloxy-3-butenoate

93788-47-7
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References
61312-84-3 Synthesis
(4-Nitrophenyl)methyl 3-oxobutanoate

61312-84-3
192 suppliers
$18.00/25g

p-Nitrobenzyl 2-Diazo-3-trimethylsilyloxy-3-butenoate

93788-47-7
2 suppliers
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References