5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one

Base Information

• Chemical Name: 5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one
• CAS No.: 1383747-27-0
• Molecular Formula: C₃₃H₃₈N₂O₃Si
• Molecular Weight: 538.762
• Mol file: 1383747-27-0.mol

Synonyms:5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one

Chemical Property of 5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one

There total 4 articles about 5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one 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-hydroxy-2,6-dimethylpyridazin-3(2H)-one (869357-37-9) + tert-Butyl-{[(1R,2S)-2-bromomethyl-2-phenylcyclopropyl]methoxy}diphenylsilane (1383747-26-9) → 5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one (1383747-27-0)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 80 ℃; for 1.5h;

Reference yield:

(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropylmethanol → 5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one (1383747-27-0)

Guidance literature:

Multi-step reaction with 2 steps

1: carbon tetrabromide; triphenylphosphine / dichloromethane / 1.5 h / 0 °C

2: potassium carbonate / N,N-dimethyl-formamide / 1.5 h / 80 °C

With carbon tetrabromide; potassium carbonate; triphenylphosphine; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

phenylacetonitrile (140-29-4) → 5-{[(1S,2R)-2-(tert-butyldiphenylsilyloxymethyl)-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one (1383747-27-0)

Guidance literature:

Multi-step reaction with 5 steps

1.1: sodium hexamethyldisilazane / tetrahydrofuran / 2 h / Cooling with ice-salt

1.2: 0 - 20 °C

2.1: sodium tetrahydroborate / tetrahydrofuran; methanol / 1 h / 0 - 35 °C

2.2: Cooling with ice

3.1: 1H-imidazole / N,N-dimethyl-formamide / 1 h / -15 °C

4.1: carbon tetrabromide; triphenylphosphine / dichloromethane / 1.5 h / 0 °C

5.1: potassium carbonate / N,N-dimethyl-formamide / 1.5 h / 80 °C

With 1H-imidazole; sodium tetrahydroborate; carbon tetrabromide; sodium hexamethyldisilazane; potassium carbonate; triphenylphosphine; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide;

upstream raw materials:

phenylacetonitrile

(1S,5R)-1-phenyl-3-oxabicyclo[3.1.0]hexan-2-one

5-hydroxy-2,6-dimethylpyridazin-3(2H)-one

tert-Butyl-{[(1R,2S)-2-bromomethyl-2-phenylcyclopropyl]methoxy}diphenylsilane

Downstream raw materials:

(1R,2S)-2-[(1,3-dimethyl-6-oxo-1,6-dihydropyridazin-4-yl)oxymethyl]-N-(5-methoxypyridin-3-yl)-2-phenylcyclopropanecarboxamide

5-{[(1S,2R)-2-Hydroxymethyl-1-phenylcyclopropyl]methoxy}-2,6-dimethyl-2H-pyridazin-3-one

(1R,2S)-2-((1,3-dimethyl-6-oxo-1,6-dihydropyridazin-4-yl)oxymethyl)-2-phenylcyclopropanecarbaldehyde

(1R,2S)-2-((1,3-dimethyl-6-oxo-1,6-dihydropyridazin-4-yl)oxymethyl)-2-phenylcyclopropanecarboxylic acid