[5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester

Base Information

Chemical Name:[5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester
CAS No.:170278-09-8
Molecular Formula:C₄₂H₅₄N₈O₆
Molecular Weight:766.941
Hs Code.:

[5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester

Synonyms:[5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester

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Chemical Property of [5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester

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Technology Process of [5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester

There total 4 articles about [5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl 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: 55.0%

: 5292-43-3
bromoacetic acid tert-butyl ester

: 145456-96-8
[2-(1,1-Dimethyl-2-{(R)-2-oxo-1-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-2,3,4,5-tetrahydro-1H-benzo[b]azepin-3-ylcarbamoyl}-ethylamino)-ethyl]-carbamic acid tert-butyl ester

: 170278-09-8
[5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester

: 170278-07-6
[5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-1-yl]-acetic acid tert-butyl ester

Guidance literature:: With triethylamine; In acetone; for 4h; Ambient temperature;
DOI:10.1002/hlca.19970800421

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: 170278-09-8
[5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 85 percent / tetrahydrofuran; H₂O / 4 h / Ambient temperature

2: 80 percent / Et₃N, pyridine*SO₃ / CH₂Cl₂; dimethylsulfoxide / 3 h / Ambient temperature

3: 54 percent / Et₃N, 4-Angstroem molecular sieves, NaBH₃CN / methanol; tetrahydrofuran / 22 h / Ambient temperature

4: 39 percent / Et₃N / acetone / 4 h / Ambient temperature

With 4 A molecular sieve; sulfur trioxide pyridine complex; sodium cyanoborohydride; triethylamine; In tetrahydrofuran; methanol; dichloromethane; water; dimethyl sulfoxide; acetone;
DOI:10.1002/hlca.19970800421

Reference yield:

: 26690-80-2
2-(N-tert-butoxycarbonylamino)ethanol

: 170278-09-8
[5-(4'-{(R)-3-[3-(2-tert-Butoxycarbonylamino-ethylamino)-3-methyl-butyrylamino]-2-oxo-2,3,4,5-tetrahydro-benzo[b]azepin-1-ylmethyl}-biphenyl-2-yl)-tetrazol-2-yl]-acetic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 80 percent / Et₃N, pyridine*SO₃ / CH₂Cl₂; dimethylsulfoxide / 3 h / Ambient temperature

2: 54 percent / Et₃N, 4-Angstroem molecular sieves, NaBH₃CN / methanol; tetrahydrofuran / 22 h / Ambient temperature

3: 39 percent / Et₃N / acetone / 4 h / Ambient temperature

With 4 A molecular sieve; sulfur trioxide pyridine complex; sodium cyanoborohydride; triethylamine; In tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide; acetone;
DOI:10.1002/hlca.19970800421