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CAS 200124-22-7

(2S)-2-{[(tert-Butoxy)carbonyl]amino}-5-{N'-[(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)sulfonyl]carbamimidamido}pentanoic acid

Codes: (VIIIb)1062329-1-a

Source drugs (routes using this intermediate)

DrugTierExpiry
DazdotuftideTier C — Watch / trade-

Position in synthesis routes (up/downstream chain)

Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.

DazdotuftideOptimised routesteps: 5total yield: /
4-Aminophenyl 2-(trimethylammonio)ethyl phosphate→4-Diazoniophenyl 2-(trimethylazaniumyl)ethyl phosphate chloride→(2S)-3-(4-Hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid→N-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-3-[(E)-[4-([[2-(trimethylazaniumyl)ethoxy]phosphinato]oxy)phenyl]diazenyl]-L-tyrosine→N-(tert-Butoxycarbonyl)-3-[(E)-[4-([[2-(trimethylazaniumyl)ethoxy]phosphinato]oxy)phenyl]diazenyl]-L-tyrosine→Resin bound 3-[(E)-[4-([[2-(trimethylazaniumyl)ethoxy]phosphinato]oxy)phenyl]diazenyl]-L-tyrosine→2-(9H-Fluoren-9-ylmethoxycarbonylamino)acetic acid→2-((tert-Butoxycarbonyl)amino)acetic acid→Resin bound glycyl-3-[(E)-[4-([[2-(trimethylazaniumyl)ethoxy]phosphinato]oxy)phenyl]diazenyl]-L-tyrosine→(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-5-[2-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidamido]pentanoic acid→(2S)-2-{[(tert-Butoxy)carbonyl]amino}-5-{N'-[(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)sulfonyl]carbamimidamido}pentanoic acid→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithylglycyl-3-[(E)-[4-([[2-(trimethylazaniumyl)ethoxy]phosphinato]oxy)phenyl]diazenyl]-L-tyrosine

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