124019-21-2

Basic information

• Product Name: 1,3-Dioxolane, 2,2,4-trimethyl-5-(phenylmethoxy)methyl-, cis-
• Synonyms: 1,3-Dioxolane, 2,2,4-trimethyl-5-(phenylmethoxy)methyl-, cis-
• CAS NO: 124019-21-2
• Molecular Formula: C₁₄H₂₀O₃
• Molecular Weight: 0
• Mol File: 124019-21-2.mol
• Article Data: 4

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 1,3-Dioxolane, 2,2,4-trimethyl-5-(phenylmethoxy)methyl-, cis-(CAS DataBase Reference)
• NIST Chemistry Reference: 1,3-Dioxolane, 2,2,4-trimethyl-5-(phenylmethoxy)methyl-, cis-(124019-21-2)
• EPA Substance Registry System: 1,3-Dioxolane, 2,2,4-trimethyl-5-(phenylmethoxy)methyl-, cis-(124019-21-2)

Safety Data

• Hazardous Substances Data: 124019-21-2(Hazardous Substances Data)

Usage

Physical state

Colorless liquid

Uses

a. Solvent in chemical reactions
b. Reagent in chemical reactions
c. Production of polymers and resins

Configuration

cis-
a. Two methyl groups on the same side of the molecule

Flammability

Flammable

Safety precautions

Handle with care in a well-ventilated area

Upstream product

• 78513-04-9 (4S,5S)-p-toluolsulfonsaeure<(5-benzyloxymethyl-5-hydroxymethyl-2,2-dimethyl-1,3-dioxolan-4-yl)methyl>ester 
• 99666-01-0 (2S,3R)-1-(benzyloxy)-2,3-butanediol 
• 67-64-1 acetone 
• 37031-29-1 (-)-dimethy-2,3-O-isopropylidene-L-tartrate 
• 114826-50-5 (4R,5S)-2,2-dimethyl-4-iodomethyl-5-benzyloxymethyl-1,3-dioxolane 
• 50622-09-8 2,3-O-isopropylidene-L-threitol 
• 78469-77-9 (4S,5S)-4-benzyloxymethyl-5-hydroxymethyl-2,2-dimethyl-1,3-dioxolane 
• 59779-75-8 diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate 

Downstream Products

• 1393793-01-5 tert-butyl (S,S,S)-3-(N-benzyl-N-isopropylamino)-4,5-O-isopropylidene-4,5-dihydroxyhexanoate 
• 1393793-02-6 tert-butyl (3R,4S,5S)-3-(N-benzyl-N-isopropylamino)-4,5-O-isopropylidene-4,5-dihydroxyhexanoate 
• 1393793-05-9 tert-butyl (3S,4S,5S,αR)-3-[N-benzyl-N-(α-methylbenzyl)amino]-4,5-O-isopropylidene-4,5-dihydroxyhexanoate 
• 1393793-06-0 tert-butyl (3R,4S,5S,αR)-3-[N-benzyl-N-(α-methylbenzyl)amino]-4,5-O-isopropylidene-4,5-dihydroxyhexanoate 
• 1393793-07-1 tert-butyl (3R,4S,5S,αS)-3-[N-benzyl-N-(α-methylbenzyl)amino]-4,5-O-isopropylidene-4,5-dihydroxyhexanoate 
• 1393793-08-2 tert-butyl (3R,4S,5S,αS)-3-[N-benzyl-N-(α-methylbenzyl)amino]-4,5-O-isopropylidene-4,5-dihydroxyhexanoate 
• 73987-14-1 (-)-1-O-p-toluenesulfonyl-4-deoxy-2,3-O-isopropylidene-L-threytol 
• 111524-25-5 C₂₉H₄₃NO₅Si 
• 111524-26-6 C₂₉H₄₃NO₅Si 
• 111524-22-2 C₂₇H₄₇NO₅Si 
• 111524-23-3 C₂₇H₄₇NO₅Si 
• 111524-21-1 C₂₄H₄₁NO₅Si 
• 125257-84-3 C₂₄H₄₁NO₅Si 
• 111687-35-5 C₂₄H₄₁NO₅Si 

Relevant articles and documents

On the origins of diastereoselectivity in the conjugate additions of the antipodes of lithium N-benzyl-(N-α-methylbenzyl)amide to enantiopure cis- and trans-dioxolane containing α,β-unsaturated esters

"Matching" and "mismatching" effects in the doubly diastereoselective conjugate additions of the antipodes of lithium N-benzyl-(N-α-methylbenzyl)amide to enantiopure cis- and trans-dioxolane containing α,β-unsaturated esters have been investigated. High levels of substrate control were established first upon conjugate addition of achiral lithium N-benzyl-N-isopropylamide to both tert-butyl (S,S,E)-4,5-O- isopropylidene-4,5-dihydroxyhex-2-enoate and tert-butyl (4R,5S,E)-4,5-O- isopropylidene-4,5-dihydroxyhex-2-enoate. However, upon conjugate addition of lithium (R)-N-benzyl-(N-α-methylbenzyl)amide and lithium (S)-N-benzyl-(N-α-methylbenzyl)amide to these substrates, neither reaction pairing reinforced the apparent sense of substrate control. These reactions do not, therefore, conform to the classical doubly diastereoselective "matching" or "mismatching" pattern usually exhibited by this class of reaction. A comparison of these reactions with the previously reported doubly diastereoselective conjugate addition reactions of lithium amide reagents to analogous substrates is also discussed.

THE CHEMISTRY OF SILYLATED KETENE ACETALS: AN EFFICIENT STEREOCONTROLLED SYNTHESIS OF N-BENZOYL L-DAUNOSAMINE

N-Benzoyl L-daunosamine was synthesized with high stereoselectivity utilizing a 1,3-addition of ketene silyl acetal (3a) to the chiral nitrone, (Z)-((4R)-trans-2,2,5-trimethyl-1,3-dioxolan-4-yl)methylene((1S)-1-phenylethyl)amine N-oxide (4c) accompanied by a silyl group-transfer in acetonitrile under mild conditions.