(+)-N₂-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide

Base Information

• Chemical Name: (+)-N₂-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide
• CAS No.: 251104-25-3
• Molecular Formula: C₂₀H₂₁NO₅
• Molecular Weight: 355.39

Synonyms:(+)-N₂-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide

Chemical Property of (+)-N₂-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide

Chemical Property:

Purity/Quality:

Safty Information:

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• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (+)-N₂-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide

There total 6 articles about (+)-N₂-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide 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:

1,4-benzodioxane-2-carboxylic acid (3663-80-7,34385-93-8,70918-53-5,70918-54-6) → (+)-N2-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide (251104-25-3)

Guidance literature:

Multi-step reaction with 4 steps

1: 42 percent / 1-ethyl-3-[3-(dimethylamino)propyl]carbodiimide*HCl; N,N-(dimethylamino)pyridine / CH₂Cl₂ / 0 - 20 °C

2: 75 percent / 6 N aq. HCl / tetrahydrofuran / 2.5 h / 60 - 65 °C

3: Et₃N / dioxane / 0.25 h / 5 °C

4: dioxane / 20 °C

With hydrogenchloride; dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In tetrahydrofuran; 1,4-dioxane; dichloromethane; 1: Condensation / 2: Hydrolysis / 3: Condensation / 4: Acylation;

DOI:10.1021/jm991065j

Reference yield:

(+)-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxylic acid (70918-53-5) → (+)-N2-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide (251104-25-3)

Guidance literature:

Multi-step reaction with 2 steps

1: Et₃N / dioxane / 0.25 h / 5 °C

2: dioxane / 20 °C

With triethylamine; In 1,4-dioxane; 1: Condensation / 2: Acylation;

DOI:10.1021/jm991065j

Reference yield:

(3R)-4,4-dimethyl-2-oxotetrahydro-3-furanyl (2R)-2,3-dihydro-1,4-benzodioxine-2-carboxylate (251104-20-8) → (+)-N2-[(1S,2S,3S)-2-hydroxy-3-phenoxycyclopentyl]-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxamide (251104-25-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 75 percent / 6 N aq. HCl / tetrahydrofuran / 2.5 h / 60 - 65 °C

2: Et₃N / dioxane / 0.25 h / 5 °C

3: dioxane / 20 °C

With hydrogenchloride; triethylamine; In tetrahydrofuran; 1,4-dioxane; 1: Hydrolysis / 2: Condensation / 3: Acylation;

DOI:10.1021/jm991065j

upstream raw materials:

cis-2-amino-trans-5-phenoxycyclopentan-1-ol

(+)-(1S,2S,5S)-2-amino-5-phenoxycyclopentan-1-ol

1,4-benzodioxane-2-carboxylic acid

(+)-(2R)-2,3-dihydro-1,4-benzodioxine-2-carboxylic acid

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