(R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester

Base Information

Chemical Name:(R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester
CAS No.:94141-33-0
Molecular Formula:C₃₉H₄₁Cl₃N₄O₈
Molecular Weight:800.136
Hs Code.:

(R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester

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Chemical Property of (R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester

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Technology Process of (R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester

There total 4 articles about (R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester 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: 57.0%

: 85612-22-2
N-<(trichloroethoxy)carbonyl>-methylalanine p-nitrophenyl ester

: Acetic acid (S)-1-{3-[(R)-1-(1H-indol-3-ylmethyl)-2-oxo-3-phenyl-propyl]-4-oxo-1,2,3,4-tetrahydro-quinazolin-2-yl}-2-methyl-propyl ester

: 94141-33-0,94233-66-6
(R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester

Guidance literature:: With potassium fluoride; 18-crown-6 ether; N-ethyl-N,N-diisopropylamine; In acetonitrile; at 35 ℃; for 4h;
DOI:10.1016/S0040-4039(01)91189-X

Reference yield:

: 85612-22-2
N-<(trichloroethoxy)carbonyl>-methylalanine p-nitrophenyl ester

: 94141-30-7,94233-65-5
(R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-(1H-indol-3-yl)-propionic acid benzyl ester

: 94141-33-0,94233-66-6
(R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester

Guidance literature:: With potassium fluoride; 18-crown-6 ether; N-ethyl-N,N-diisopropylamine; In acetonitrile; at 35 ℃; for 4h;

Reference yield:

: 94141-29-4
(S)-α-acetoxyisovaleraldehyde

: 94141-33-0,94233-66-6
(R)-2-[2-((S)-1-Acetoxy-2-methyl-propyl)-4-oxo-1,4-dihydro-2H-quinazolin-3-yl]-3-{1-[2-methyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionyl]-1H-indol-3-yl}-propionic acid benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: molecular sieves 4A, TsOH / CH₂Cl₂ / Ambient temperature

2: KF, 18-crown-6, EtN(i-Pr)2 / acetonitrile / 4 h / 35 °C

With potassium fluoride; 18-crown-6 ether; 4 A molecular sieve; toluene-4-sulfonic acid; N-ethyl-N,N-diisopropylamine; In dichloromethane; acetonitrile;