(2S)-2-(((tert-butoxy)carbonyl)(methyl)amino)propanoic acid → tert-Butyl ((S)-1-(((S)-3,3-dimethyl-1-((S)-7-nitro-3-(((R)-1,2,3,4-tetrahydronaphthalen-1-yl)carbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl)-1-oxobutan-2-yl)amino)-1-oxopropan-2-yl)(methyl)carbamate

Participants

Role	Name	HCID	Charge
Reactant	(2S)-2-(((tert-butoxy)carbonyl)(methyl)amino)propanoic acid	HCID 7009590	—
Reactant	(S)-tert-butyl 3-(((R)-1,2,3,4-tetrahydronaphthalen-1-yl)carbamoyl)-7-(((trifluoromethyl)sulfonyl)oxy)-3,4-dihydroisoquinoline-2(1H)-carboxylate	HCID 86705865	—
Reactant	(S)-2-((S)-2-amino-3,3-dimethylbutanoyl)-7-nitro-N-((R)-1,2,3,4-tetrahydronaphthalen-1-yl)-1,2,3,4-tetrahydroisoquinoline-3-carboxamide	HCID 86705893	—
Product	tert-Butyl ((S)-1-(((S)-3,3-dimethyl-1-((S)-7-nitro-3-(((R)-1,2,3,4-tetrahydronaphthalen-1-yl)carbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl)-1-oxobutan-2-yl)amino)-1-oxopropan-2-yl)(methyl)carbamate	HCID 86705892	97%

Reaction Steps

Following a procedure analogous to that for the synthesis of Compound D, (S)-2-((S)-2-amino-3,3-dimethylbutanoyl)-7-nitro-N—((R)-1,2,3,4-tetrahydronaphthalen-1-yl)-1,2,3,4-tetrahydroisoquinoline-3-carboxamide (2.17 g, 4.67 mmol) and (S)-2-((tert-butoxycarbonyl)(methyl)amino)propanoic acid (Advanced ChemTech, 0.95 g, 4.67 mmol) were converted to the title compound (2.93 g, 97%). MS (ESI+) m/z 650.5 (M+H)+.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US08889712B2
Source dataset	uspto-grants-2014_11
ORD ID	ord-5145be7d8c58417c9b3cc1187892a9ff
Source note	uspto-grants-2014_11