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ChemicalBook CAS DataBase List Pentanoic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-, (4S)- (9CI)

Pentanoic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-, (4S)- (9CI) synthesis

5synthesis methods
28875-17-4 Synthesis
BOC-L-ALANINE METHYL ESTER

28875-17-4
143 suppliers
$6.00/5g

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Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: DIBAL-H / toluene; methanol / 0.5 h / -78 °C
1.2: 72 percent / toluene / 12 h / -78 °C
2.1: 61 percent / 10 percent aq. NaOH / methanol / 18 h / 20 °C
3.1: 100 percent / H2 / 10 percent Pd/C / ethyl acetate / 3 h / 2327.17 Torr

References:

Yang, Hua;Jurkauskas, Valdas;Mackintosh, Nicole;Mogren, Tobias;Stephenson, Corey R. J.;Foster, Katherine;Brown, William;Roberts, Edward [Canadian Journal of Chemistry,2000,vol. 78,# 6,p. 800 - 808]

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