3-methyl-butyric acid 5-(2-dimethylamino-ethyl)-2c-(4-methoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3r-yl ester

Base Information

• Chemical Name: 3-methyl-butyric acid 5-(2-dimethylamino-ethyl)-2c-(4-methoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3r-yl ester
• CAS No.: 31953-21-6
• Molecular Formula: C₂₅H₃₂N₂O₄S
• Molecular Weight: 456.606
• Mol file: 31953-21-6.mol

Synonyms:

Chemical Property of 3-methyl-butyric acid 5-(2-dimethylamino-ethyl)-2c-(4-methoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3r-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-methyl-butyric acid 5-(2-dimethylamino-ethyl)-2c-(4-methoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3r-yl ester

There total 3 articles about 3-methyl-butyric acid 5-(2-dimethylamino-ethyl)-2c-(4-methoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3r-yl 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:

5-(2-dimethylamino-ethyl)-3c-hydroxy-2r-(4-methoxy-phenyl)-2,3-dihydro-5H-benzo[b][1,4]thiazepin-4-one (23515-44-8,36913-08-3,42399-39-3,42399-40-6,42399-53-1,91926-65-7,91926-66-8,91926-67-9,97229-67-9) + isopentanoyl chloride (108-12-3) → 3-methyl-butyric acid 5-(2-dimethylamino-ethyl)-2c-(4-methoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3r-yl ester (31953-21-6,40602-21-9,133693-25-1)

Guidance literature:

With pyridine; at 5 ℃;

Reference yield:

2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one (27068-88-8) → 3-methyl-butyric acid 5-(2-dimethylamino-ethyl)-2c-(4-methoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3r-yl ester (31953-21-6,40602-21-9,133693-25-1)

Guidance literature:

Multi-step reaction with 2 steps

1: (i) NaH, dioxane, (ii) /BRN= 605280/

2: Py / 5 °C

With pyridine;

Reference yield:

Isovaleric anhydride (1468-39-9) + 5-(2-dimethylamino-ethyl)-3c-hydroxy-2r-(4-methoxy-phenyl)-2,3-dihydro-5H-benzo[b][1,4]thiazepin-4-one (23515-44-8,36913-08-3,42399-39-3,42399-40-6,42399-53-1,91926-65-7,91926-66-8,91926-67-9,97229-67-9) → 3-methyl-butyric acid 5-(2-dimethylamino-ethyl)-2c-(4-methoxy-phenyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3r-yl ester (31953-21-6,40602-21-9,133693-25-1)

Guidance literature:

(heating);

upstream raw materials:

Isovaleric anhydride

5-(2-dimethylamino-ethyl)-3c-hydroxy-2r-(4-methoxy-phenyl)-2,3-dihydro-5H-benzo[b][1,4]thiazepin-4-one

isopentanoyl chloride

2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one