4,6-O-BENZYLIDENE-D-GALACTOSE

Base Information

• Chemical Name: 4,6-O-BENZYLIDENE-D-GALACTOSE
• CAS No.: 3006-41-5
• Molecular Formula: C13H16 O6
• Molecular Weight: 268.26
• Hs Code.: 29400090
• Mol file: 3006-41-5.mol

Synonyms:Galactopyranose,4,6-O-benzylidene- (7CI); Galactopyranose, 4,6-O-benzylidene-, D- (8CI)

Chemical Property of 4,6-O-BENZYLIDENE-D-GALACTOSE

Chemical Property:

• Boiling Point: 483.4oC at 760 mmHg。 产品描述 安全性：
• Flash Point: 246.1oC
• PSA: 96.22000
• Density: 1.436 g/cm3
• LogP: -0.61780
• Storage Temp.: −20°C

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,6-O-BENZYLIDENE-D-GALACTOSE

There total 28 articles about 4,6-O-BENZYLIDENE-D-GALACTOSE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 94.0%

ortho-nitrobenzyl 4,6-O-benzylidene-β-D-glucopyranoside → 4,6-O-benzylidene-D-glucose (3006-41-5,20771-09-9,25152-90-3,97232-16-1,104022-77-7,113566-67-9,113566-68-0)

Guidance literature:

In methanol; water; for 0.25h; Flow reactor; UV-irradiation;

Reference yield: 86.0%

D-Glucose (2280-44-6) + benzaldehyde dimethyl acetal (1125-88-8) → 4,6-O-benzylidene-D-glucose (3006-41-5,20771-09-9,25152-90-3,97232-16-1,104022-77-7,113566-67-9,113566-68-0)

Guidance literature:

With toluene-4-sulfonic acid; 1-butyl-3-methylimidazolium Tetrafluoroborate; at 80 ℃; for 2h;

DOI:10.1016/j.carres.2005.10.007

Reference yield: 83.0%

D-Glucose (2280-44-6) + benzaldehyde dimethyl acetal (1125-88-8) → 4,6-O-benzylidene-D-glucopyranose (30688-66-5,3006-41-5,20771-09-9,25152-90-3,97232-16-1,104022-77-7,113566-67-9,113566-68-0)

Guidance literature:

With toluene-4-sulfonic acid; In N,N-dimethyl-formamide;

DOI:10.1016/j.tetlet.2011.09.130

upstream raw materials:

D-glucose

benzaldehyde

D-Galactose

benzaldehyde dimethyl acetal

Downstream raw materials:

1,2,3,-tri-O-acetyl-4,6-O-benzylidene-D-galactose

(2S,4aR,6S,7R,8R,8aR)-6-[Dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol

allyl 4,6-di-O-benzylidene-α-D-galactopyranoside

allyl 4,6-O-(S)-benzylidene-β-D-galactopyranoside

Refernces

• 1、 Tiwari, Varsha,Badavath, Vishnu Nayak,Singh, Adesh Kumar,Kandasamy, Jeyakumar. "Synthesis of photolabile group protected anomeric acetals and its application in carbohydrate synthesis with the assistance of continuous flow photo-reactor". . p. 227 - 236. Retrieved 2020/03/18.
• 2、 -. "NATURAL AND SYNTHETIC DITERPENE GLYCOSIDES, COMPOSITIONS AND METHODS". Page/Page column 99; 128. . Retrieved 2019/08/12.