Pyridinium p-toluenesulfonate

• Catalog No.: 232238
• CAS Number: 24057-28-1
• M. F.: C12H13NO3S
• M. W.: 251.30152
• Purity: 98%

SYNONYMS

• Title: 吡啶对甲苯磺酸盐
• IUPAC name: 4-methylbenzene-1-sulfonic acid; pyridine
• IUPAC Traditional name: pyridine; toluenesulfonic acid
• Synonyms: 对甲苯磺酸 吡啶盐; Pyridine p-toluenesulfonate; PPTS; p-Toluenesulfonic acid pyridine salt; 对甲苯磺酸吡啶盐

DATABASE IDS

• CAS Number: 24057-28-1
• EC Number: 246-002-7
• Beilstein Number: 3764305
• MDL Number: MFCD00013108
• PubChem SID: 24853887

PROPERTIES

• Empirical Formula (Hill Notation): C12H13NO3S
• Purity: 98%
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• German water hazard class: 2

DETAILS

Description (English)

Application
As a co-catalyst with L-proline improved both yield and enantioselectivity of an asymmetric aldol condensation between dioxanones and aldehydes.1
Efficient catalyst for the preparation of tetrahydropyranyl ethers (for OH-protection using DHP, cat. no. D106208).
Packaging
25, 100, 500 g in poly bottle
5 g in glass bottle

Description (简体中文)

Application
与 L-脯氨酸共同用作催化剂，可提高二氧杂环己酮和醛之间不对称羟醛缩合反应的产量和对映选择性。1
用于制备四氢吡喃醚（用于使用产品目录号为 D106208 的 DHP 进行的羟基保护）的高效催化剂。
包装
25, 100 g in poly bottle
5 g in glass bottle