Tetrahydro-4H-pyran-4-one

• Catalog No.: 198242
• CAS Number: 29943-42-8
• M. F.: C5H8O2
• M. W.: 100.11582
• Purity: 99%

SYNONYMS

• Title: 四氢吡喃酮
• IUPAC name: oxan-4-one
• IUPAC Traditional name: 4H-pyran-4-one, tetrahydro-
• Synonyms: 4-Oxotetrahydropyran; 四氢-4H-吡喃-4-酮

DATABASE IDS

• MDL Number: MFCD00006581
• PubChem SID: 24851869
• CAS Number: 29943-42-8
• EC Number: 249-967-2
• Beilstein Number: 106463

PROPERTIES

• Empirical Formula (Hill Notation): C5H8O2
• Purity: 99%
• Boiling Point: 166-166.5 °C(lit.)
• Density: 1.084 g/mL at 25 °C(lit.)
• Flash Point: 55 °C
• Flash Point: 131 °F
• Refractive Index: n20/D 1.452(lit.)
• GHS Signal Word: Warning
• GHS Hazard statements: H226
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1224 3/PG 3
• Risk Statements: 10
• Hazard Class: 3
• UN Number: 1224
• Packing Group: 3
• German water hazard class: 3

DETAILS

Description (English)

Application
Employed in a study of the enantioselective α-aminoxylation of ketones with nitrosobenzene and L-proline in an ionic liquid.1
Undergoes condensation reactions for the preparation of dipeptides and spiroimidazolones. Employed in Wittig reactions for the synthesis of penicillins and the A ring of Vitamin D3.
Packaging
1, 5 g in glass bottle

Description (简体中文)

Application
发生缩合反应，制备二肽和螺咪唑啉酮。用于 Wittig 反应合成青霉素类化合物以及维生素 D3 的 A 环。
用于研究离子液体中亚硝基苯和 L-脯氨酸作用下酮的对映选择性 α-氨氧基化。1
包装
1, 5 g in glass bottle