ABERCHROME 670

Base Information

• Chemical Name: ABERCHROME 670
• CAS No.: 94856-25-4
• Molecular Formula: C₂₂H₂₄O₄
• Molecular Weight: 352.43
• Mol file: 94856-25-4.mol

Synonyms:Aberchrome670

Chemical Property of ABERCHROME 670

Chemical Property:

• Melting Point: 175-185°C
• PSA: 56.51000
• LogP: 4.50600

Purity/Quality:

98%,99%, ^*data from raw suppliers

Aberchrome 670 ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: ABERCHROME 670 is a photochromic compound.

Technology Process of ABERCHROME 670

There total 11 articles about ABERCHROME 670 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-Adamantanone (700-58-3) → (E)-4-adamantylidene-3-<1-(2,5-dimethyl-3-furyl)ethylidene>tetrahydrofuran-2,5-dione (94856-25-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 420 g / NaH / toluene; paraffin / 45 - 50 °C

2: dicyclohexylcarbodiimide / CH₂Cl₂ / 3 h

3: 1) NaH, 2) 10percent ethanolic KOH / 1) toluene, mineral oil, 2) reflux, 4 h

4: AcCl / CH₂Cl₂ / 3 h

With potassium hydroxide; sodium hydride; acetyl chloride; dicyclohexyl-carbodiimide; In dichloromethane; toluene; paraffin;

Reference yield:

2-Adamantan-2-ylidene-succinic acid 4-methyl ester → (E)-4-adamantylidene-3-<1-(2,5-dimethyl-3-furyl)ethylidene>tetrahydrofuran-2,5-dione (94856-25-4)

Guidance literature:

Multi-step reaction with 3 steps

1: dicyclohexylcarbodiimide / CH₂Cl₂ / 3 h

2: 1) NaH, 2) 10percent ethanolic KOH / 1) toluene, mineral oil, 2) reflux, 4 h

3: AcCl / CH₂Cl₂ / 3 h

With potassium hydroxide; sodium hydride; acetyl chloride; dicyclohexyl-carbodiimide; In dichloromethane;

Reference yield:

dimethyl 2-(2-adamantylidene)succinate (99569-75-2) → (E)-4-adamantylidene-3-<1-(2,5-dimethyl-3-furyl)ethylidene>tetrahydrofuran-2,5-dione (94856-25-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) NaH, 2) 10percent ethanolic KOH / 1) toluene, mineral oil, 2) reflux, 4 h

2: AcCl / CH₂Cl₂ / 3 h

With potassium hydroxide; sodium hydride; acetyl chloride; In dichloromethane;

upstream raw materials:

7,7a-dihydro-2,4,7,7,7a-pentamethylbenzo(b)furan-5,6-dicarboxylic anhydride

C₂₂H₂₄O₄

(Z)-adamantylidene<1-(2,5-dimethyl-3-furyl)ethylidene>succinic anhydride

2-Adamantanone