2-NITROPHENYL 4-O-BETA-D-XYLOPYRANOSYL-BETA-D-XYLOPYRANOSIDE

Base Information

• Chemical Name: 2-NITROPHENYL 4-O-BETA-D-XYLOPYRANOSYL-BETA-D-XYLOPYRANOSIDE
• CAS No.: 157956-98-4
• Molecular Formula: C16H21 N O11
• Molecular Weight: 403.34
• Mol file: 157956-98-4.mol

Synonyms:O-NP-X;O-NITROPHENYL-B-D-XYLOBIOSIDE;O-NITROPHENYL-BETA-D-XYLOBIOSIDE;2-NITROPHENYL 4-O-BETA-D-XYLOPYRANOSYL-BETA-D-XYLOPYRANOSIDE;o-NP-X, 2-Nitrophenyl 4-o-b-D-xylopyranosyl-b-D-xylopyranoside;2-Nitrophenylb-D-xylobioside;2-NITROPHENYL-BETA-D-XYLOBIOSIDE;o-Nitrophenyl--D-xylobioside

Chemical Property of 2-NITROPHENYL 4-O-BETA-D-XYLOPYRANOSYL-BETA-D-XYLOPYRANOSIDE

Chemical Property:

• Vapor Pressure: 4.02E-20mmHg at 25°C
• Melting Point: 113-115°C
• Refractive Index: 1.653
• Boiling Point: 692.3oC at 760 mmHg
• Flash Point: 372.5oC
• PSA: 183.89000
• Density: 1.65g/cm3
• LogP: -1.60090
• Storage Temp.: Hygroscopic, -20°C Freezer, Under Inert Atmosphere
• Solubility.: Water, Methanol (Slightly)

Purity/Quality:

98%,99%, ^*data from raw suppliers

o-Nitrophenyl-b-D-xylobioside ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: A substrate for measuring xylanase activity. Xylanases are enzymes which hydrolyze xylan to xylooligosaccharides and have many applications in the food and feed industries A substrate for measuring xylanase activity. Xylanases are enzymes which hydrolyze xylan to xylooligosaccharides and have many applications in the food and feed industries.

Technology Process of 2-NITROPHENYL 4-O-BETA-D-XYLOPYRANOSYL-BETA-D-XYLOPYRANOSIDE

There total 18 articles about 2-NITROPHENYL 4-O-BETA-D-XYLOPYRANOSYL-BETA-D-XYLOPYRANOSIDE 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: 83.0%

2-nitrophenyl O-(2,3,4-tri-O-acetyl-β-D-xylopyranosyl)-(1<*>4)-2,3-di-O-benzoyl-β-D-xylopyranoside (173468-13-8) → 2-nitrophenyl O-β-D-xylopyranosyl-(1<*>4)-β-D-xylopyranoside (157956-98-4)

Guidance literature:

With methanol; sodium methylate; In dichloromethane; for 5h; Ambient temperature;

DOI:10.1016/0008-6215(95)00214-E

Reference yield: 82.0%

2-nitrophenyl O-(2,3,4-tri-O-benzoyl-β-D-xylopyranosyl)-(1<*>4)-2,3-di-O-benzoyl-β-D-xylopyranoside (173468-18-3) → 2-nitrophenyl O-β-D-xylopyranosyl-(1<*>4)-β-D-xylopyranoside (157956-98-4)

Guidance literature:

With methanol; sodium methylate; In dichloromethane; for 5h; Ambient temperature;

DOI:10.1016/0008-6215(95)00214-E

Reference yield: 80.3%

2-nitrophenyl O-(2,3,4-tri-O-acetyl-β-D-xylopyranosyl)-(1<*>4)-2,3-di-O-acetyl-β-D-xylopyranoside (162088-92-8) → 2-nitrophenyl O-β-D-xylopyranosyl-(1<*>4)-β-D-xylopyranoside (157956-98-4)

Guidance literature:

With sodium methylate; In methanol;

DOI:10.1016/0008-6215(94)00214-2

upstream raw materials:

2-nitrophenyl O-(2,3,4-tri-O-acetyl-β-D-xylopyranosyl)-(1<*>4)-2,3-di-O-acetyl-β-D-xylopyranoside

2-nitrophenyl O-(2,3,4-tri-O-acetyl-β-D-xylopyranosyl)-(1<*>4)-2,3-di-O-benzoyl-β-D-xylopyranoside

2-nitrophenyl O-(2,3,4-tri-O-benzoyl-β-D-xylopyranosyl)-(1<*>4)-2,3-di-O-benzoyl-β-D-xylopyranoside

ethyl 2,3,4-tri-O-acetyl-1-thio-β-D-xylopyranoside

Downstream raw materials:

2-nitrophenyl O-(2,3,4-tri-O-acetyl-β-D-xylopyranosyl)-(1<*>4)-2,3-di-O-acetyl-β-D-xylopyranoside

Refernces

• 1、 Ziser, Lothar,Withers, Stephen G.. "A short synthesis of β-xylobiosides". . p. 9 - 18. Retrieved 2007/10/02.