5-Hydroxynaphthalene-1,8-carbolactone

Base Information

• Chemical Name: 5-Hydroxynaphthalene-1,8-carbolactone
• CAS No.: 5656-88-2
• Molecular Formula: C11H6 O3
• Molecular Weight: 186.167
• Mol file: 5656-88-2.mol

Synonyms:1-Naphthalenecarboxylicacid, 5,8-dihydroxy-, g-lactone; 5,8-Dihydroxy-1-naphthoic acid g-lactone

Chemical Property of 5-Hydroxynaphthalene-1,8-carbolactone

Chemical Property:

• Vapor Pressure: 2.21E-07mmHg at 25°C
• Boiling Point: 412.2°Cat760mmHg
• Flash Point: 192.9°C
• PSA: 46.53000
• Density: 1.54g/cm³
• LogP: 2.07800

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-Hydroxynaphthalene-1,8-carbolactone

There total 2 articles about 5-Hydroxynaphthalene-1,8-carbolactone 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:

Hydroxy-5 dihydro-3,4 naphthalene carbolactone-1,8 (105290-46-8) → 6-hydroxy-2H-naphtho<1,8-b,c>furan-2-one (5656-88-2) + Phenyl-carbamic acid 2-oxo-2H-naphtho[1,8-bc]furan-6-yl ester (105707-07-1)

Guidance literature:

With phenyl isocyanate; palladium on activated charcoal; In xylene; at 140 ℃; for 1h;

Reference yield:

Hydroxy-5 dihydro-3,4 naphthalene carbolactone-1,8 (105290-46-8) + phenyl isocyanate (103-71-9) → 6-hydroxy-2H-naphtho<1,8-b,c>furan-2-one (5656-88-2) + Phenyl-carbamic acid 2-oxo-2H-naphtho[1,8-bc]furan-6-yl ester (105707-07-1)

Guidance literature:

palladium on activated charcoal; In xylene; at 140 ℃; for 1h;

Reference yield: 90.0%

6-hydroxy-2H-naphtho<1,8-b,c>furan-2-one (5656-88-2) + diphenylcarbamic chloride (83-01-2) → Diphenyl-carbamic acid 2-oxo-2H-naphtho[1,8-bc]furan-6-yl ester (130977-26-3)

Guidance literature:

With pyridine; for 16h; Heating;

upstream raw materials:

Hydroxy-5 dihydro-3,4 naphthalene carbolactone-1,8

phenyl isocyanate

Downstream raw materials:

(E)-7-p-chlorobenzylidene-2H,6H-naphtho<1,8-b,c>furan-2,6-dione

(E)-7-p-nitrobenzylidene-2H,6H-naphtho<1,8-b,c>furan-2,6-dione

(2R,3S)-3-Benzoylamino-3-phenyl-2-(2-trimethylsilanyl-ethoxymethoxy)-propionic acid 2-oxo-2H-naphtho[1,8-bc]furan-6-yl ester

(7S,9R)-8-(4-Chloro-benzyl)-7,9-bis-(4-nitro-phenyl)-8,9-dihydro-7H-5,10-dioxa-8-aza-acephenanthrylen-4-one

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