81844-67-9

Basic information

• Product Name: 3-[(2E,4E)-4,6-dimethylocta-2,4-dienoyl]-1,2-dihydroxy-5-(4-hydroxyphenyl)pyridin-4(1H)-one
• CAS NO: 81844-67-9
• Molecular Formula: C₂₁H₂₃NO₅
• Molecular Weight: 369.411
• Mol File: 81844-67-9.mol

Chemical Properties

• Boiling Point: 561.3°C at 760 mmHg
• Flash Point: 293.3°C
• Density: 1.31g/cm³
• Vapor Pressure: 1.95E-13mmHg at 25°C
• Refractive Index: 1.64
• CAS DataBase Reference: 3-[(2E,4E)-4,6-dimethylocta-2,4-dienoyl]-1,2-dihydroxy-5-(4-hydroxyphenyl)pyridin-4(1H)-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3-[(2E,4E)-4,6-dimethylocta-2,4-dienoyl]-1,2-dihydroxy-5-(4-hydroxyphenyl)pyridin-4(1H)-one(81844-67-9)
• EPA Substance Registry System: 3-[(2E,4E)-4,6-dimethylocta-2,4-dienoyl]-1,2-dihydroxy-5-(4-hydroxyphenyl)pyridin-4(1H)-one(81844-67-9)

Safety Data

• Hazardous Substances Data: 81844-67-9(Hazardous Substances Data)

Upstream product

• 123994-65-0 3-((2E,4E)-4,6-Dimethyl-octa-2,4-dienoyl)-4-hydroxy-5-(4-hydroxy-phenyl)-1H-pyridin-2-one 
• 81790-39-8 3-((2E,4E)-4,6-Dimethyl-octa-2,4-dienoyl)-4-hydroxy-1-(tetrahydro-pyran-2-yloxy)-5-[4-(tetrahydro-pyran-2-yloxy)-phenyl]-1H-pyridin-2-one 
• 123-08-0 4-hydroxy-benzaldehyde 
• 117942-41-3 4-[(2-methoxyethoxy)methoxy]benzaldehyde 
• 123994-63-8 3-((2E,4E)-4,6-Dimethyl-octa-2,4-dienoyl)-4-hydroxy-5-[4-(2-methoxy-ethoxymethoxy)-phenyl]-1H-pyridin-2-one 
• 123994-60-5 1-((E)-2-Isocyanato-vinyl)-4-(2-methoxy-ethoxymethoxy)-benzene 
• 123994-66-1 ethyl 3-(4'-(2-methoxyethoxymethoxy)phenyl)prop-2-enoate 
• 96400-72-5 (E)-3-{4-[(2-methoxyethoxy)methoxy]phenyl}acrylic acid 
• 123994-61-6 (4E,6E)-6,8-Dimethyl-3-oxo-deca-4,6-dienoic acid ethyl ester 
• 81802-25-7 4-Hydroxy-3-((E)-3-hydroxy-4,6-dimethyl-oct-4-enoyl)-1-(tetrahydro-pyran-2-yloxy)-5-[4-(tetrahydro-pyran-2-yloxy)-phenyl]-1H-pyridin-2-one 
• 81790-34-3 N-Benzyloxy-N-[2-(4-benzyloxy-phenyl)-3-imidazol-1-yl-3-oxo-propyl]-3-oxo-butyramide 
• 81790-28-5 3-[Benzyloxy-(3-oxo-butyryl)-amino]-2-(4-benzyloxy-phenyl)-propionic acid methyl ester 
• 81790-29-6 (E)-3-[Benzyloxy-(3-oxo-butyryl)-amino]-2-(4-benzyloxy-phenyl)-acrylic acid methyl ester 
• 81790-33-2 3-[Benzyloxy-(3-oxo-butyryl)-amino]-2-(4-benzyloxy-phenyl)-propionic acid 

Relevant articles and documents

Convergent Total Synthesis of (+/-)-Tenellin

A convergent total synthesis of the fungal biochrome tenellin is reported.The synthesis features an efficient cyclocondensation of a cinnamate derived isocyanate with a fully elaborated diene β-keto ester enolate reaction partner.

Synthesis of Racemic Tenellin

Total synthesis of racemic tenellin, a yellow pigment of the insect pathogenic fungus Beauveria, has been accomplished.Preparation of 1,4-dihydroxy-5-(p-hydroxyphenyl)-2(1H)-pyridinone is achieved in excellent overall yield by utilizing an intramolecular C-acylation of an imidazolide precursor.A facile conjugate reduction of the vinylogous amide 6 is illustrated with sodium cyanoborohydride.