(R)-2,3-dihydro-8-(2-methyl-6-pyridyl)-5-oxo-10-phenyl-thiazolo[3,2-b][2,7]naphthyridine-3-carboxylic acid methyl ester

Base Information

Chemical Name:(R)-2,3-dihydro-8-(2-methyl-6-pyridyl)-5-oxo-10-phenyl-thiazolo[3,2-b][2,7]naphthyridine-3-carboxylic acid methyl ester
CAS No.:1332324-21-6
Molecular Formula:C₂₄H₁₉N₃O₃S
Molecular Weight:429.499
Hs Code.:

Synonyms:(R)-2,3-dihydro-8-(2-methyl-6-pyridyl)-5-oxo-10-phenyl-thiazolo[3,2-b][2,7]naphthyridine-3-carboxylic acid methyl ester

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Chemical Property of (R)-2,3-dihydro-8-(2-methyl-6-pyridyl)-5-oxo-10-phenyl-thiazolo[3,2-b][2,7]naphthyridine-3-carboxylic acid methyl ester

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Technology Process of (R)-2,3-dihydro-8-(2-methyl-6-pyridyl)-5-oxo-10-phenyl-thiazolo[3,2-b][2,7]naphthyridine-3-carboxylic acid methyl ester

There total 2 articles about (R)-2,3-dihydro-8-(2-methyl-6-pyridyl)-5-oxo-10-phenyl-thiazolo[3,2-b][2,7]naphthyridine-3-carboxylic acid methyl 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: 71.0%

: 1122-72-1
6-methyl-2-pyridinecarboxaldehyde

: 1332324-12-5
(R)-6-formyl-7-methyl-5-oxo-8-phenyl-2,3-dihydro-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester

: 1332324-21-6
(R)-2,3-dihydro-8-(2-methyl-6-pyridyl)-5-oxo-10-phenyl-thiazolo[3,2-b][2,7]naphthyridine-3-carboxylic acid methyl ester

Guidance literature:: 6-methyl-2-pyridinecarboxaldehyde; (R)-6-formyl-7-methyl-5-oxo-8-phenyl-2,3-dihydro-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester; With acetic acid; 3-amino propanoic acid; In methanol; acetonitrile; at 80 ℃; for 0.166667h; Microwave irradiation; sealed tube;

With chloranil; In methanol; acetonitrile; at 20 ℃; for 1h;

With acetic acid; In acetonitrile; at 140 ℃; for 0.166667h; Microwave irradiation; sealed tube;
DOI:10.1021/ol202080x

Reference yield:

: 341027-49-4
(3R)-7-methyl-5-oxo-8-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester

: 1332324-21-6
(R)-2,3-dihydro-8-(2-methyl-6-pyridyl)-5-oxo-10-phenyl-thiazolo[3,2-b][2,7]naphthyridine-3-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: oxalyl dichloride / acetonitrile / 0.17 h / 20 °C / Inert atmosphere

1.2: 2 h / Reflux; Inert atmosphere

2.1: acetic acid; 3-amino propanoic acid / methanol; acetonitrile / 0.17 h / 80 °C / Microwave irradiation; sealed tube

2.2: 1 h / 20 °C

2.3: 0.17 h / 140 °C / Microwave irradiation; sealed tube

With oxalyl dichloride; acetic acid; 3-amino propanoic acid; In methanol; acetonitrile;
DOI:10.1021/ol202080x