午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Pentanoic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-, (4S)- (9CI)
207924-92-3

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
146 suppliers
$6.00/5g

-

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]

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