(7aR)-7a-methyl-5-oxo-(7ar)-hexahydro-pyrrolo[2,1-b]thiazole-3t-carboxylic acid

Base Information

• Chemical Name: (7aR)-7a-methyl-5-oxo-(7ar)-hexahydro-pyrrolo[2,1-b]thiazole-3t-carboxylic acid
• CAS No.: 67505-13-9
• Molecular Formula: C₈H₁₁NO₃S
• Molecular Weight: 201.246

Synonyms:(7aR)-7a-methyl-5-oxo-(7ar)-hexahydro-pyrrolo[2,1-b]thiazole-3t-carboxylic acid

Chemical Property of (7aR)-7a-methyl-5-oxo-(7ar)-hexahydro-pyrrolo[2,1-b]thiazole-3t-carboxylic acid

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Technology Process of (7aR)-7a-methyl-5-oxo-(7ar)-hexahydro-pyrrolo[2,1-b]thiazole-3t-carboxylic acid

There total 3 articles about (7aR)-7a-methyl-5-oxo-(7ar)-hexahydro-pyrrolo[2,1-b]thiazole-3t-carboxylic acid 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:

l-cysteine hydrochloride (52-89-1) → 5-Oxo-7a-methyl-2,3,5,6,7,7a-hexahydro-pyrrolo<2,1-β>thiazol-carbonsaeure-(3) (17279-63-9,67505-13-9)

Guidance literature:

With sodium hydroxide;

DOI:10.1021/ja01227a037

Reference yield:

l-cysteine hydrochloride (52-89-1) + levulinic acid (123-76-2) → 5-Oxo-7a-methyl-2,3,5,6,7,7a-hexahydro-pyrrolo<2,1-β>thiazol-carbonsaeure-(3) (17279-63-9,67505-13-9)

Guidance literature:

With pyridine; ethanol;

DOI:10.1021/ja01536a045

Reference yield:

5-methyl-2-furanone (591-12-8) + L-Cysteine (52-90-4) → 5-Oxo-7a-methyl-2,3,5,6,7,7a-hexahydro-pyrrolo<2,1-β>thiazol-carbonsaeure-(3) (17279-63-9,67505-13-9)

Guidance literature:

With sodium hydroxide;

DOI:10.1021/jm00312a017

upstream raw materials:

l-cysteine hydrochloride

levulinic acid

5-methyl-2-furanone

L-Cysteine

Downstream raw materials:

(R)-2-((7aR)-2c-benzoyloxy-7a-methyl-5-oxo-(7ar)-hexahydro-pyrrolo[2,1-b]thiazole-3t-carbonylamino)-3-methyl-but-3-enoic acid benzyl ester

10-chloro-6β-(4-oxo-pentanoylamino)-penicillanic acid benzyl ester

(R)-2-((7aR)-2c-chloro-7a-methyl-5-oxo-(7ar)-hexahydro-pyrrolo[2,1-b]thiazole-3t-carbonylamino)-3-methyl-but-3-enoic acid benzyl ester

(R)-3-methyl-2-((2aR)-6a-methyl-2,4-dioxo-(2ar,6ac,7ac)-hexahydro-azeto[3,2-d]pyrrolo[2,1-b]thiazol-1-yl)-but-3-enoic acid benzyl ester

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