Technology Process of (2S,4S)-N-((6R,9R,12S,15S,16R,Z)-3-ethylidene-6-(4-hydroxybenzyl)-12-isobutyl-9-isopropyl-16-methyl-2,5,8,11,14-pentaoxo-1-oxa-4,7,10,13-tetraazacyclohexadecan-15-yl)-2,4-dimethylheptanamide
There total 4 articles about (2S,4S)-N-((6R,9R,12S,15S,16R,Z)-3-ethylidene-6-(4-hydroxybenzyl)-12-isobutyl-9-isopropyl-16-methyl-2,5,8,11,14-pentaoxo-1-oxa-4,7,10,13-tetraazacyclohexadecan-15-yl)-2,4-dimethylheptanamide which
guide to synthetic route it.
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synthetic route:
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(2S,4S)-N-((6R,9R,12S,15S,16R,Z)-6-(4-(tert-butoxy)benzyl)-3-ethylidene-12-isobutyl-9-isopropyl-16-methyl-2,5,8,11,14-pentaoxo-1-oxa-4,7,10,13-tetraazacyclohexadecan-15-yl)-2,4-dimethylheptanamide
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1383580-56-0
(2S,4S)-N-((6R,9R,12S,15S,16R,Z)-3-ethylidene-6-(4-hydroxybenzyl)-12-isobutyl-9-isopropyl-16-methyl-2,5,8,11,14-pentaoxo-1-oxa-4,7,10,13-tetraazacyclohexadecan-15-yl)-2,4-dimethylheptanamide
- Guidance literature:
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With
trifluoroacetic acid;
In
dichloromethane;
at 0 - 20 ℃;
for 0.5h;
DOI:10.1021/acs.joc.9b03516
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1383580-56-0
(2S,4S)-N-((6R,9R,12S,15S,16R,Z)-3-ethylidene-6-(4-hydroxybenzyl)-12-isobutyl-9-isopropyl-16-methyl-2,5,8,11,14-pentaoxo-1-oxa-4,7,10,13-tetraazacyclohexadecan-15-yl)-2,4-dimethylheptanamide
- Guidance literature:
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Multi-step reaction with 4 steps
1.1: dmap; 2-methyl-6-nitrobenzoic anhydride / dichloromethane; tetrahydrofuran / 0.5 h / 50 °C / Inert atmosphere
2.1: 10 wt% Pd(OH)2 on carbon; hydrogen / methanol / 2 h / 20 °C
3.1: triethylamine; methanesulfonyl chloride / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
3.2: 16 h / 0 - 20 °C / Inert atmosphere
4.1: trifluoroacetic acid / dichloromethane / 0.5 h / 0 - 20 °C
With
dmap; 10 wt% Pd(OH)2 on carbon; 2-methyl-6-nitrobenzoic anhydride; hydrogen; methanesulfonyl chloride; triethylamine; trifluoroacetic acid;
In
tetrahydrofuran; methanol; dichloromethane;
DOI:10.1021/acs.joc.9b03516
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1383580-56-0
(2S,4S)-N-((6R,9R,12S,15S,16R,Z)-3-ethylidene-6-(4-hydroxybenzyl)-12-isobutyl-9-isopropyl-16-methyl-2,5,8,11,14-pentaoxo-1-oxa-4,7,10,13-tetraazacyclohexadecan-15-yl)-2,4-dimethylheptanamide
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: triethylamine; methanesulfonyl chloride / dichloromethane / 1 h / 0 - 20 °C / Inert atmosphere
1.2: 16 h / 0 - 20 °C / Inert atmosphere
2.1: trifluoroacetic acid / dichloromethane / 0.5 h / 0 - 20 °C
With
methanesulfonyl chloride; triethylamine; trifluoroacetic acid;
In
dichloromethane;
DOI:10.1021/acs.joc.9b03516