CAS:14470-28-1 | 4-Anisylchlorodiphenylmethane

Name:4-Anisylchlorodiphenylmethane

Synonyms:(Chloro(-methoxyphenyl)methylene)dibenzene;

MMT-Cl;4-Methoxytrityl chloride;4-Methoxytriphenylchloromethane;

4-Methoxytriphenylmethyl chloride;

CAS:14470-28-1

Purity:97%

MDL No:MFCD00000814

Molecular Formula:C₂₀H₁₇ClO

Molecular Weight:308.8

Melting Point:122-124 °C(lit.) 

Boiling Point:423.55°C (rough estimate)

EINECS:238-463-8 

Density:1.0704g/cm³ (rough estimate)

Appearance:White to yellow or orange powder

Sensitivity:Moisture Sensitive,Heat Sensitive

Solubility:Chloroform (Slightly), Methanol (Slightly)

refractive index:1.4530 (estimate)

Storage condition:Keep container tightly closed in a dry and well-ventilated place. Recommended storage temperature: 2 - 8°C

InChI:InChI=1S/C20H17ClO/c1-22-19-14-12-18(13-15-19)20(21,16-8-4-2-5-9-16)17-10-6-3-7-11-17/h2-15H,1H3

InChIKey:InChIKey=OBOHMJWDFPBPKD-UHFFFAOYSA-N

Application:4-Anisylchlorodiphenylmethane(CAS:14470-28-1) is used as selective protecting reagent that is used for primary hydroxyl groups.

Reference: 

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).

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