5417-35-6

Basic information

• Product Name: 4,7-dihydro-2-isopropyl-1,3-dioxepin
• Synonyms: 4,7-dihydro-2-isopropyl-1,3-dioxepin
• CAS NO: 5417-35-6
• Molecular Formula: C₈H₁₄O₂
• Molecular Weight: 142.19556
• EINECS: 226-518-9
• Mol File: 5417-35-6.mol
• Article Data: 6

Chemical Properties

• Boiling Point: 180.4°Cat760mmHg
• Flash Point: 56.3°C
• Appearance: /
• Density: 0.937g/cm³
• Refractive Index: 1.659
• CAS DataBase Reference: 4,7-dihydro-2-isopropyl-1,3-dioxepin(CAS DataBase Reference)
• NIST Chemistry Reference: 4,7-dihydro-2-isopropyl-1,3-dioxepin(5417-35-6)
• EPA Substance Registry System: 4,7-dihydro-2-isopropyl-1,3-dioxepin(5417-35-6)

Safety Data

• Hazardous Substances Data: 5417-35-6(Hazardous Substances Data)

Usage

Synthesis Reference(s)

The Journal of Organic Chemistry, 21, p. 1366, 1956 DOI: 10.1021/jo01118a007

InChI:InChI=1/C28H25N3O6/c1-17-12-13-20(14-18(17)2)31-27(34)21(26(33)30-28(31)35)15-19-8-4-6-10-23(19)37-16-25(32)29-22-9-5-7-11-24(22)36-3/h4-15H,16H2,1-3H3,(H,29,32)(H,30,33,35)

Upstream product

• 6117-80-2 1,4-butenediol 
• 41632-89-7 isobutyraldehyde dimethyl acetal 
• 78-84-2 isobutyraldehyde 
• 149-73-5 trimethyl orthoformate 
• 821-11-4 1,4-butenediol 

Downstream Products

• 108782-37-2 2-isopropyl-6-phenyl-7-formyl-2,4,5,8-tetrahydro-1,3-dioxa-5-azocine 
• 5205-63-0 Diels-Alder adduct 
• 33140-27-1 ethyl 2-isocyanopropionate 
• 1622-67-9 4,5'-O-isobutylidenepyridoxine 
• 92671-67-5 8-methyl-3-(propan-2-yl)-1H,3H,5H-[1,3]dioxepino[5,6-c]pyridin-9-yl acetate 
• 58-56-0 pyridoxal hydrochloride 
• 136264-10-3 ((R)-2-Isopropyl-[1,3]dioxan-4-yl)-methanol 
• 108782-45-2 endo-4-isopropyl-8-phenyl-3,5,10-trioxa-9-azabicyclo<5,3,0>-8-decene 
• 108782-45-2 exo-4-isopropyl-8-phenyl-3,5,10-trioxa-9-azabicyclo<5,3,0>-8-decene 

Relevant articles and documents

Stereocontrolled Route to 2,3,5-Trisubstituted Tetrahydrofurans. Intermediates for the Total Synthesis of Polyether Antibiotics.

The stereoselective synthesis of diastereomers of 2,3,5-trisubstituted tetrahydrofurans has been accomplished by Lewis acid catalyzed acetal rearrangement.The reaction sequence starts with 4,7-dihydro-1,3-dioxepins 4, which are isomerized to 4,5-dihydro-1,3-dioxepins 6.The key step of the procedure is the stereocontrolled rearrangement of these mixed alkyl vinyl acetals 6, followed by reduction. 2,3,5-Trisubstituted tetrahydrofurans are of general interest for the synthesis of polyether antibiotics.

FUNCTIONAL OLIGOMERS AND FUNCTIONAL POLYMERS INCLUDING HYDROXYLATED POLYMERS AND CONJUGATES THEREOF AND USES THEREOF

The present disclosure describes functional oligomers or functional polymers. The functional oligomers or functional polymers may contain functional groups, e.g., -OH and/or -CHO. The functional oligomers or functional polymers may be obtained from hydrolyzing certain copolymers and may be soluble in commercially available solvents. The copolymers may be thermosetting polymers. The functional oligomers and functional polymers may be useful for recycling thermosetting polymers and may be useful as starting materials for preparing additional oligomers or polymers.

Monofunctional metathesis polymers via sacrificial diblock copolymers

(Chemical Equation Presented) A small price to pay: The second block of a diblock copolymer is "sacrificed" in order to leave behind a monofunctionalized metathesis polymer with a hydroxy end group. By incorporation of a dioxepine unit into the copolymer, a breaking point is created between the block to be end-functionalized and the block to be sacrificed.