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ChemicalBook CAS DataBase List THYMOPOIETIN II (33-36)
75957-56-1

THYMOPOIETIN II (33-36) synthesis

5synthesis methods
68858-20-8 Synthesis
FMOC-L-Valine

68858-20-8
523 suppliers
$8.00/1g

71989-14-5 Synthesis
Fmoc-Asp(OtBu)-OH

71989-14-5
446 suppliers
$5.00/1g

71989-38-3 Synthesis
Fmoc-Tyr(tBu)-OH

71989-38-3
434 suppliers
$7.00/5g

71989-26-9 Synthesis
Fmoc-Lys(Boc)-OH

71989-26-9
479 suppliers
$5.00/1g

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Yield:-

Reaction Conditions:

Stage #1: Fmoc-Tyr(tBu)-OHwith benzotriazol-1-ol;N-ethyl-N,N-diisopropylamine;diisopropyl-carbodiimide in N,N-dimethyl-formamide; for 1 h;solid phase reaction;
Stage #2: with piperidine in N,N-dimethyl-formamide; for 0.5 h;solid phase reaction;
Stage #3: Fmoc-Val-OH;Fmoc-(tBu)Asp-OH;Fmoc-Lys(tert-butoxycarbonyl);N-α-(9-fluorenylmethyloxycarbonyl)-N-ω′,N-ω″-bis-tert-butyloxycarbonyl-L-argineFurther stages;

References:

So, Sheung;Peeva, Ludmila G.;Livingston, Andrew G.;Tate, Edward W.;Leatherbarrow, Robin J. [Organic process research and development,2010,vol. 14,# 6,p. 1313 - 1325] Location in patent:experimental part