tert-butyl 2-aMino-5,5-diMethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate

Base Information

• Chemical Name: tert-butyl 2-aMino-5,5-diMethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate
• CAS No.: 1373496-97-9
• Molecular Formula: C14H21NO3S
• Molecular Weight: 283.38644
• Mol file: 1373496-97-9.mol

Synonyms:tert-butyl 2-aMino-5,5-diMethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate

Chemical Property of tert-butyl 2-aMino-5,5-diMethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate

Chemical Property:

• PSA: 89.79000
• LogP: 3.71810

Purity/Quality:

97% ^*data from raw suppliers

tert-Butyl 2-amino-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of tert-butyl 2-aMino-5,5-diMethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate

There total 1 articles about tert-butyl 2-aMino-5,5-diMethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate 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: 95.0%

morpholine (110-91-8,99108-56-2) + 2,2-dimethyltetrahydropyran-4-one (1194-16-7) + cyanoacetic acid tert-butyl ester (1116-98-9) → tert-butyl 2-amino-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate (1373496-97-9)

Guidance literature:

With hydrogen sulfide; In ethanol; ethyl acetate;

Reference yield: 78.0%

4-methoxybenzoyl isothiocyanate (16778-84-0) + tert-butyl 2-amino-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate (1373496-97-9) → tert-Butyl-2-(3-(4-methoxybenzoyl)thioureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate (1616399-46-2)

Guidance literature:

In tetrahydrofuran; ethanol;

Reference yield: 71.0%

tert-butyl 2-amino-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate (1373496-97-9) + 4-fluorobenzoyl isothiocyanate (78225-74-8) → tert-Butyl-2-(3-(4-fluorobenzoyl)thioureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate (1616399-43-9)

Guidance literature:

In tetrahydrofuran; ethanol;

upstream raw materials:

morpholine

2,2-dimethyltetrahydropyran-4-one

cyanoacetic acid tert-butyl ester

Downstream raw materials:

tert-butyl 2-(3-benzoylureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate

2-(3-Benzoylureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylic acid

tert-butyl 5,5-dimethyl-2-(3-phenylthioureido)-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate

tert-Butyl-2-(3-(4-fluorobenzoyl)thioureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate

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