4-甲氧基三苯甲基氯

• 产品号: A10545
• CAS号: 14470-28-1
• 分子式: C20H17ClO
• 分子量: 308.80138
• 纯 度: 97%

产品别名

• 标题: 4-Methoxytrityl chloride
• IUPAC标准名: 1-(chlorodiphenylmethyl)-4-methoxybenzene
• IUPAC传统名: 1-(chlorodiphenylmethyl)-4-methoxybenzene
• 别名: 4-Methoxytriphenylmethyl chloride; p-Anisylchlorodiphenylmethane

产品登记号

• CAS号: 14470-28-1
• Beilstein号: 798425
• MDL号: MFCD00000814
• EC号: 238-463-8

产品性质

• 纯度: 97%
• 熔点: 121-125°C
• GHS危险声明: H315-H319-H335
• 欧盟危险性物质标志: 刺激性(Irritant) (Xi)
• GHS警示性声明: P261-P305+P351+P338-P302+P352-P321-P405-P501A
• 危险公开号: 36/37/38
• 安全公开号: 26-37
• 保存注意事项: Moisture Sensitive
• TSCA收录: 否

参考文献

• Reagent for protection of alcohols, cf Chlorotriphenylmethane, A11799, as their monomethoxytrityl (Mmt) ethers, intermediate in acid-lability between trityl (Trt) and dimethoxytrityl (Dmt); see 4,4'-Dimethoxytrityl chloride, A11626. For use of DMAP as a catalyst for methoxytritylation of alcohols and amines, see: Tetrahedron Lett., 21, 3899 (1980); J. Org. Chem., 47, 571 (1982); Chem. Lett., 15 (1982).
• In a comparison with Dmt for N-protection during solid-phase peptide synthesis, the N-Mmt group was found to survive intact whereas N-Dmt derivatives decomposed slowly in protic solvents: Tetrahedron. Lett., 39, 1733 (1998).