1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole

Base Information

Chemical Name:1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole
CAS No.:669772-29-6
Molecular Formula:C₅₁H₅₄FN₅O₈Si
Molecular Weight:912.102
Hs Code.:

1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole

Synonyms:1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole

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Chemical Property of 1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole

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Technology Process of 1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole

There total 3 articles about 1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 86.0%

: 117785-05-4
Fmoc-L-His(Boc)-OH

: 669772-27-4
[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)amine

: 669772-29-6
1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole

Guidance literature:: With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In dichloromethane; at 20 ℃;
DOI:10.1021/jm030921v

Reference yield:

: 27996-87-8
2-fluoro-5-nitrobenzaldehye

: 669772-29-6
1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole

Guidance literature:: Multi-step reaction with 3 steps

1: 85 percent / AcOH; NaCNBH₃ / methanol / 1.5 h / Heating

2: 98 percent / DBU / acetonitrile

3: 86 percent / HATU; DIEA / CH₂Cl₂ / 20 °C

With sodium cyanoborohydride; acetic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In methanol; dichloromethane; acetonitrile;
DOI:10.1021/jm030921v

Reference yield:

: 216008-35-4
2-[(2-fluoro-5-nitrobenzyl)amino]ethanol

: 669772-29-6
1-(tert-butoxycarbonyl)-5-[(2S)-2-[[2-(tert-butyldiphenylsilanyloxy)ethyl]-(2-fluoro-5-nitrobenzyl)carbamoyl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)ethyl]imidazole

Guidance literature:: Multi-step reaction with 2 steps

1: 98 percent / DBU / acetonitrile

2: 86 percent / HATU; DIEA / CH₂Cl₂ / 20 °C

With 1,8-diazabicyclo[5.4.0]undec-7-ene; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In dichloromethane; acetonitrile;
DOI:10.1021/jm030921v