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TERT-BUTYL 4-(3-CYANOPHENYL)PIPERAZINE-1-CARBOXYLATE synthesis

6synthesis methods
6952-59-6 Synthesis
3-Bromobenzonitrile

6952-59-6
352 suppliers
$9.00/10g

57260-71-6 Synthesis
1-BOC-Piperazine

57260-71-6
736 suppliers
$5.00/5g

TERT-BUTYL 4-(3-CYANOPHENYL)PIPERAZINE-1-CARBOXYLATE

807624-20-0
22 suppliers
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Yield:807624-20-0 100%

Reaction Conditions:

Stage #1: 3-cyanobromobenzene;1-t-Butoxycarbonylpiperazinewith tri-tert-butyl phosphine;palladium diacetate;sodium tertiary butoxide in xylene at 50;
Stage #2: with macroporous polymer-supported isocyanate in xylene at 50; for 24 h;

References:

Duncton, Matthew A. J.;Roffey, Jonathan R. A.;Hamlyn, Richard J.;Adams, David R. [Tetrahedron Letters,2006,vol. 47,# 15,p. 2549 - 2552]