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ChemicalBook CAS DataBase List tert-butyl (3R,4S,5S)-4-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-N,3-dimethylbutanamido)-3-methoxy-5-methylheptanoate
1375415-93-2

tert-butyl (3R,4S,5S)-4-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-N,3-dimethylbutanamido)-3-methoxy-5-methylheptanoate synthesis

14synthesis methods
68858-20-8 Synthesis
FMOC-L-Valine

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

tert-butyl (3R,4S,5S)-4-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-N,3-dimethylbutanamido)-3-methoxy-5-methylheptanoate

1375415-93-2
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Yield:1375415-93-2 486 mg

Reaction Conditions:

with 2-chloro-4,6-dimethoxy-1 ,3,5-triazine at 20;

Steps:

1.1.1.c Step c: Synthesis of Fmoc-L-Val-Dil-OBut.

The reactant Dil-OBut.HCl (500 mg, 1.7 mmol) andFmoc-L-Val-OH (780 mg, 2.3 mmol) dissolved in 10 mLIn 2-Me-THF, CDMT (403.5 mg, 2.3 mmol) and NMM (256.6 mg, 2.55 mmol) were sequentially added, and the mixture was stirred overnight at room temperature.. After the reaction was completed, ethyl acetate was added for extraction three times.The organic phases were combined and washed once with saturated NaCl.Dry overnight with anhydrous Na2SO4. Column chromatography separation,The separation conditions were petroleum ether: ethyl acetate = 6:1,The reaction product was obtained 486 mg.

References:

CN109200291,2019,A Location in patent:Paragraph 0051; 0057

68858-20-8 Synthesis
FMOC-L-Valine

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

(3R,4S,5S)-tert-butyl3-methoxy-5-methyl-4-(methylamino)heptanoatehydrochloride

474645-22-2
7 suppliers
inquiry

tert-butyl (3R,4S,5S)-4-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-N,3-dimethylbutanamido)-3-methoxy-5-methylheptanoate

1375415-93-2
6 suppliers
inquiry

177423-00-6 Synthesis
tert-butyl (3R,4S,5S)-4-((S)-2-amino-N,3-dimethylbutanamido)-3-methoxy-5-methylheptanoate

177423-00-6
16 suppliers
inquiry

tert-butyl (3R,4S,5S)-4-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-N,3-dimethylbutanamido)-3-methoxy-5-methylheptanoate

1375415-93-2
6 suppliers
inquiry