2-METHYL-5,6-DIHYDRO-4H-PYRROLO[3,4-D]OXAZOLE

Base Information

• Chemical Name: 2-METHYL-5,6-DIHYDRO-4H-PYRROLO[3,4-D]OXAZOLE
• CAS No.: 885273-92-7
• Molecular Formula: C₆H₈N₂O
• Molecular Weight: 124.142
• Hs Code.: 2934999090
• Mol file: 885273-92-7.mol

Synonyms:2-METHYL-5,6-DIHYDRO-4H-PYRROLO[3,4-D]OXAZOLE

Chemical Property of 2-METHYL-5,6-DIHYDRO-4H-PYRROLO[3,4-D]OXAZOLE

Chemical Property:

• Vapor Pressure: 0.274mmHg at 25°C
• Refractive Index: 1.518
• Boiling Point: 203.682°C at 760 mmHg
• PKA: 6.10±0.20(Predicted)
• Flash Point: 76.984°C
• PSA: 38.06000
• Density: 1.162g/cm³
• LogP: 0.91500
• Storage Temp.: 2-8°C(protect from light)

Purity/Quality:

98%min ^*data from raw suppliers

2-Methyl-5,6-dihydro-4H-pyrrolo[3,4-d]oxazole 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-METHYL-5,6-DIHYDRO-4H-PYRROLO[3,4-D]OXAZOLE

There total 3 articles about 2-METHYL-5,6-DIHYDRO-4H-PYRROLO[3,4-D]OXAZOLE 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:

2-methyl-4,6-dihydropyrrolo[3,4-d]oxazole-5-carboxylic acid tert-butyl ester (1235591-17-9) → 2-methyl-5,6-dihydro-4H-pyrrolo[3,4-d]oxazole (885273-92-7)

Guidance literature:

With trifluoroacetic acid; In dichloromethane; for 1h;

Reference yield:

3-acetamido-4-hydroxytetrahydropyrrole-1-carboxylic acid tert-butyl ester (1235591-22-6) → 2-methyl-5,6-dihydro-4H-pyrrolo[3,4-d]oxazole (885273-92-7)

Guidance literature:

Multi-step reaction with 3 steps

1: Dess-Martin periodane / dichloromethane / 20 °C

2: triethylamine; triphenylphosphine / dichloromethane; hexachloroethane / 48 h / 20 °C

3: hydrogenchloride / 1,4-dioxane / 20 °C

With hydrogenchloride; Dess-Martin periodane; triethylamine; triphenylphosphine; In 1,4-dioxane; dichloromethane; hexachloroethane;

Reference yield:

3-acetamido-4-oxo-tetrahydropyrrole-1-carboxylic acid tert-butyl ester (945217-66-3) → 2-methyl-5,6-dihydro-4H-pyrrolo[3,4-d]oxazole (885273-92-7)

Guidance literature:

Multi-step reaction with 2 steps

1: triethylamine; triphenylphosphine / dichloromethane; hexachloroethane / 48 h / 20 °C

2: hydrogenchloride / 1,4-dioxane / 20 °C

With hydrogenchloride; triethylamine; triphenylphosphine; In 1,4-dioxane; dichloromethane; hexachloroethane;

upstream raw materials:

2-methyl-4,6-dihydropyrrolo[3,4-d]oxazole-5-carboxylic acid tert-butyl ester

3-acetamido-4-hydroxytetrahydropyrrole-1-carboxylic acid tert-butyl ester

3-acetamido-4-oxo-tetrahydropyrrole-1-carboxylic acid tert-butyl ester

Refernces

• 1、 -. "HETEROBICYCLO-SUBSTITUTED-[1,2,4]TRIAZOLO[1,5-C]QUINAZOLIN-5-AMINE COMPOUNDS FOR TREATMENT OF CENTRAL NERVOUS SYSTEM DISORDER". Page/Page column 117. . Retrieved 2014/07/21.