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043378

043378-1g



t-Butyl carbamate


CAS Number: 4248-19-5
   
Molecular Formula: C5H11NO2
   
Molecular Weight: 117.15
   
MDL Number: MFCD00007962


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043378-1g
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043378-5g
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043378-25g
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043378-100g
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043378-500g
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Purity:98%
Mp:105-108°
 
Pictograms:
Signal Word:Warning
Hazard Statements:H302, H315, H319, H335
Precautionary Statements:P261, P301 + P312, P302 + P352, P304 + P340, P305 + P351 + P338
SDS: See MSDS
 

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Also known as Boc.  Used extensively in amine protection. Stable towards most nucleophiles and bases.  Easily get rid of under TFA/CH2Cl(1/1). Reduced to methyl group under LAH to make single methyl substitution. Applied for synthesis of of highly enantiomerically enriched N-Boc protected amino alcohols  by aminohydroxylating a variety of substituted styrenes,1 Pd-catalyzed cross-coupling reaction with various aryl(Het) halides,2 one-pot transformation into amides in acy halide-methanol mixtures.3,4
Reference
1.        Tetrahedron Lett. 199839, 4099.
2.        Tetrahedron Lett201051, 4445.
3.        Synthesis2002, 203.
4.        Synlett 2000, 635.

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