(R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester

Base Information

Chemical Name:(R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester
CAS No.:98413-43-5
Molecular Formula:C₂₈H₃₆N₂O₆S
Molecular Weight:528.67
Hs Code.:

Synonyms:(R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester

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Chemical Property of (R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester

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Technology Process of (R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester

There total 10 articles about (R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl 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: 30.0%

: 64920-29-2
2-oxo-4-phenylbutanoic acid ethyl ester

: 100904-09-4
((R)-3-Amino-7-methoxy-4-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazepin-5-yl)-acetic acid tert-butyl ester; hydrochloride

: 98413-43-5
(R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester

: 98413-44-6
(S)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester

Guidance literature:: With 4 A molecular sieve; sodium cyanoborohydride; In ethanol; acetic acid; Ambient temperature;
DOI:10.1248/cpb.34.1128

Reference yield:

: 98413-13-9
(R)-2-Amino-3-(4-methoxy-2-nitro-phenylsulfanyl)-propionic acid

: 98413-43-5
(R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 89 percent / Na₂CO₃ / H₂O / 5 h / Ambient temperature

2: H₂ / 5 percent Pd-C / methanol / Ambient temperature

3: DEPC, Et₃N / dimethylformamide / 1) 35 min 0 deg C 2) 1 h r.t.

4: 66 percent / NaH / dimethylformamide / 0.33 h

5: 92 percent / N₂H₄*H₂O / ethanol / 1 h / Heating

6: 17 percent / NaBH₃CN, molecular sieves 4 Angstroem / acetic acid; ethanol / Ambient temperature

With 4 A molecular sieve; hydrogen; sodium hydride; sodium cyanoborohydride; sodium carbonate; hydrazine hydrate; triethylamine; diethyl dicarbonate; palladium on activated charcoal; In methanol; ethanol; water; acetic acid; N,N-dimethyl-formamide;
DOI:10.1248/cpb.34.1128

Reference yield:

: 98413-18-4
(R)-2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-3-(4-methoxy-2-nitro-phenylsulfanyl)-propionic acid

: 98413-43-5
(R)-2-((R)-5-tert-Butoxycarbonylmethyl-7-methoxy-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-phenyl-butyric acid ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: H₂ / 5 percent Pd-C / methanol / Ambient temperature

2: DEPC, Et₃N / dimethylformamide / 1) 35 min 0 deg C 2) 1 h r.t.

3: 66 percent / NaH / dimethylformamide / 0.33 h

4: 92 percent / N₂H₄*H₂O / ethanol / 1 h / Heating

5: 17 percent / NaBH₃CN, molecular sieves 4 Angstroem / acetic acid; ethanol / Ambient temperature

With 4 A molecular sieve; hydrogen; sodium hydride; sodium cyanoborohydride; hydrazine hydrate; triethylamine; diethyl dicarbonate; palladium on activated charcoal; In methanol; ethanol; acetic acid; N,N-dimethyl-formamide;
DOI:10.1248/cpb.34.1128