59539

(4S,5S)-2,2-Dimethyl-1,3-dioxolan-4,5-dimethanol

≥97.0% (sum of enantiomers, GC)

• Synonym(e): (+)-2,3-O-Isopropyliden-L-threitol, (4S,5S)-4,5-Bis-(hydroxymethyl)-2,2-dimethyl-1,3-dioxolan
• Empirische Formel (Hill-System): C₇H₁₄O₄
• CAS-Nummer: 50622-09-8
• Molekulargewicht: 162.18
• Beilstein: 1280797
• EG-Nummer: 256-658-6
• MDL-Nummer: MFCD00063761
• UNSPSC-Code: 12352005
• PubChem Substanz-ID: 57651690
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: ≥97.0% (sum of enantiomers, GC)
• Form: solid
• Optische Aktivität: [α]20/D +3.0±0.5°, c = 5% in ethanol
• bp: 92-94 °C/0.1 mmHg (lit.)
• mp (Schmelzpunkt): 46-50 °C
• Funktionelle Gruppe: ether; hydroxyl; ketal
• SMILES String: CC1(C)O[C@@H](CO)[C@H](CO)O1
• InChI: 1S/C7H14O4/c1-7(2)10-5(3-8)6(4-9)11-7/h5-6,8-9H,3-4H2,1-2H3/t5-,6-/m0/s1
• InChIKey: INVRLGIKFANLFP-WDSKDSINSA-N

Beschreibung

Anwendung

(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol can be used:

• As a key intermediate for the preparation of (6Z)-cis-9S,10R-epoxy-nonadecene, a female sex pheromone of elm spanworm.[1]
• To prepare a chiral diphosphite ligand by reacting with phosphorochloridite using excess of NEt₃.[2] 

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type N95 (US)