PHTHALIDE-3-PHOSPHONIC ACID

Base Information

• Chemical Name: PHTHALIDE-3-PHOSPHONIC ACID
• CAS No.: 4741-67-7
• Molecular Formula: C8H7O5P.H2O
• Molecular Weight: 214.114
• Mol file: 4741-67-7.mol

Synonyms:Phthalidyl-phosphonsaeure;(3-oxo-1,3-dihydro-isobenzofuran-1-yl)-phosphonic acid;

Chemical Property of PHTHALIDE-3-PHOSPHONIC ACID

Chemical Property:

• PSA: 93.64000
• LogP: 1.03330

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of PHTHALIDE-3-PHOSPHONIC ACID

There total 1 articles about PHTHALIDE-3-PHOSPHONIC ACID 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:

dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate (61260-15-9) → 3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid (4741-67-7)

Guidance literature:

With hydrogenchloride; for 1h; Heating;

Reference yield: 97.0%

3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid (4741-67-7) + 2-fluoro-5-formylbenzonitrile (218301-22-5) → 2-fluoro-5-(3-oxo-1,3-dihydroisobenzofuranylidene methyl)benzonitrile (763114-25-6,1379825-89-4)

Guidance literature:

With triethylamine; In tetrahydrofuran; at 20 ℃; for 12h;

DOI:10.1248/cpb.c20-01018

Reference yield:

3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid (4741-67-7) → 2-fluoro-5-[(4’-oxo-3’H-phthalazin-1’-yl)methyl]benzoic acid (763114-26-7)

Guidance literature:

Multi-step reaction with 2 steps

1.1: triethylamine / tetrahydrofuran / 12 h / 20 °C

2.1: water; sodium hydroxide / 1 h / 90 °C

2.2: 8 h / 70 °C

With water; triethylamine; sodium hydroxide; In tetrahydrofuran;

DOI:10.1248/cpb.c20-01018

upstream raw materials:

dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate

Downstream raw materials:

2-fluoro-5-[(4’-oxo-3’H-phthalazin-1’-yl)methyl]benzoic acid

2-fluoro-5-(3-oxo-1,3-dihydroisobenzofuranylidene methyl)benzonitrile