91703-99-0

Basic information

• Product Name: 2-Ethyl-4-((2R,4aR,7R,8aS)-2-phenyl-tetrahydro-pyrano[4,3-d][1,3]dioxin-7-yl)-butyric acid ethyl ester
• CAS NO: 91703-99-0
• Molecular Weight: 362.466
• Mol File: 91703-99-0.mol

Chemical Properties

• CAS DataBase Reference: 2-Ethyl-4-((2R,4aR,7R,8aS)-2-phenyl-tetrahydro-pyrano[4,3-d][1,3]dioxin-7-yl)-butyric acid ethyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Ethyl-4-((2R,4aR,7R,8aS)-2-phenyl-tetrahydro-pyrano[4,3-d][1,3]dioxin-7-yl)-butyric acid ethyl ester(91703-99-0)
• EPA Substance Registry System: 2-Ethyl-4-((2R,4aR,7R,8aS)-2-phenyl-tetrahydro-pyrano[4,3-d][1,3]dioxin-7-yl)-butyric acid ethyl ester(91703-99-0)

Safety Data

• Hazardous Substances Data: 91703-99-0(Hazardous Substances Data)

Upstream product

• 91703-98-9 2-Ethyl-4-((2S,4R,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-pyran-2-yl)-butyric acid ethyl ester 
• 100-52-7 benzaldehyde 
• 3576-12-3 diethyl ethyl(2-formylethyl)malonate 
• 91703-96-7 2-Ethyl-4-(5-hydroxymethyl-[1,3]dioxan-2-yl)-butyric acid ethyl ester 
• 91703-97-8 2-Ethyl-4-(5-vinyl-[1,3]dioxan-2-yl)-butyric acid ethyl ester 

Downstream Products

• 91704-00-6 C₁₉H₂₆O₄ 
• 91704-00-6 C₁₉H₂₆O₄ 
• 83720-10-9 talaromycin B 
• 83720-10-9 talaromycin E 
• 83720-10-9 (+/-)-talaromycin C 

Relevant articles and documents

SPIROKETALS: A TOTAL SYNTHESIS OF (+/-)-TALAROMYCIN B VIA A STEREOSELECTIVE CATION-OLEFIN CYCLISATION STEP

The acid catalysed rearrangement of an acetal derived from 2-hydroxymethyl-3-butene-1-ol proceeding via an intramolecular cation-olefin cyclisation provides acces to a 4-hydroxytetrahydropyran and thence to (+/-)-talaromycin B.