2-AMINO-1-(2,3-DIHYDRO-BENZO[1,4]DIOXIN-6-YL)-ETHANONE

Base Information

• Chemical Name: 2-AMINO-1-(2,3-DIHYDRO-BENZO[1,4]DIOXIN-6-YL)-ETHANONE
• CAS No.: 35970-31-1
• Molecular Formula: C10H12ClNO3
• Molecular Weight: 229.663
• Hs Code.: 2932999099
• Mol file: 35970-31-1.mol

Synonyms:2-AMINO-1-(2,3-DIHYDRO-BENZO[1,4]DIOXIN-6-YL)-ETHANONE;2-aMino-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethan-1- one hydrochloride;2-Amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethanone hydrochloride

Chemical Property of 2-AMINO-1-(2,3-DIHYDRO-BENZO[1,4]DIOXIN-6-YL)-ETHANONE

Chemical Property:

• Melting Point: 247-248 °C(Solv: water (7732-18-5); methanol (67-56-1))
• PSA: 61.55000
• LogP: 2.10150

Purity/Quality:

97% ^*data from raw suppliers

2-AMINO-1-(2,3-DIHYDRO-1,4-BENZODIOXIN-6-YL)ETHANONE HYDROCHLORIDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-AMINO-1-(2,3-DIHYDRO-BENZO[1,4]DIOXIN-6-YL)-ETHANONE

There total 4 articles about 2-AMINO-1-(2,3-DIHYDRO-BENZO[1,4]DIOXIN-6-YL)-ETHANONE 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: 97.0%

2-bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethanone (4629-54-3) → 2-amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethan-1-one hydrochloride (35970-31-1)

Guidance literature:

2-bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethanone; With hexamethylenetetramine; for 0.5h;

With hydrogenchloride; In ethanol; for 2h; Heating;

DOI:10.1016/j.bmcl.2020.127209

Reference yield:

2-chloro-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethan-1-one (93439-37-3) → 2-amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethan-1-one hydrochloride (35970-31-1)

Guidance literature:

2-chloro-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethan-1-one; With hexamethylenetetramine; In dichloromethane; for 10h; Reflux;

With hydrogenchloride; In isopropyl alcohol; at 40 - 50 ℃; for 7h;

Reference yield:

1,4-benzodioxan-6-yl methyl ketone (2879-20-1) → 2-amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethan-1-one hydrochloride (35970-31-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: phosphorus tribromide / methanol; dichloromethane / 10 h / 20 °C

2.1: hexamethylenetetramine / 0.5 h

2.2: 2 h / Heating

With hexamethylenetetramine; phosphorus tribromide; In methanol; dichloromethane;

DOI:10.1016/j.bmcl.2020.127209

upstream raw materials:

2-chloro-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethan-1-one

2-bromo-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethanone

1,4-benzodioxan-6-yl methyl ketone

Downstream raw materials:

(1R,2R)-octanoic acid [2-(2',3'-dihydro-benzo[1,4]dioxin-6'-yl)-2-hydroxy-1-pyrrolidin-1-ylmethyl-ethyl]-amide

Refernces

• 1、 -. "PROCESS FOR PREPARATION OF ELIGLUSTAT HEMITARTRATE AND INTERMEDIATES THEREOF". Page/Page column 22-23. . Retrieved 2018/11/22.