L-rhamnose aldonitrile peracetate

Base Information

• Chemical Name: L-rhamnose aldonitrile peracetate
• CAS No.: 40732-36-3
• Molecular Formula: C₁₄H₁₉NO₈
• Molecular Weight: 329.307
• Mol file: 40732-36-3.mol

Synonyms:

Chemical Property of L-rhamnose aldonitrile peracetate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of L-rhamnose aldonitrile peracetate

There total 16 articles about L-rhamnose aldonitrile peracetate 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:

acidic polysaccharide AMP40S + acetic anhydride (108-24-7) → L-arabinose aldonitrile peracetate (25546-40-1) + L-rhamnose aldonitrile peracetate (6298-84-6,40732-36-3,40732-37-4,65700-89-2,6303-61-3) + 2,3,4,5,6-pentaacetoxy-D-glucononitrile (6337-12-8,35439-42-0,40732-44-3,75004-10-3,83830-73-3,83830-74-4,127000-04-8,127000-05-9,127000-06-0,127000-07-1,132202-32-5,132202-33-6,132202-34-7,132204-32-1,132204-33-2,6272-51-1) + penta-O-acetyl-D-galactonic acid nitrile (35439-42-0)

Guidance literature:

acidic polysaccharide AMP₄₀S; With water; trifluoroacetic acid; at 120 ℃; for 2h;

acetic anhydride; With pyridine; hydroxylamine hydrochloride;

DOI:10.1016/j.carbpol.2014.10.019

Reference yield:

3-O-β-D-xylopyranosyl-(1→3)-α-L-rhamnopyranosyl-(1→2)-α-L-arabinopyranosyl-30-norhederagenin (1620518-43-5) + acetic anhydride (108-24-7) → L-arabinose aldonitrile peracetate (25546-40-1) + tetra-O-acetyl-D-xylonic acid nitrile (25546-40-1,25546-50-3,34360-54-8,34360-56-0,40732-38-5,40732-39-6,40732-40-9,40773-06-6,82509-80-6,13501-95-6) + L-rhamnose aldonitrile peracetate (6298-84-6,40732-36-3,40732-37-4,65700-89-2,6303-61-3)

Guidance literature:

3-O-β-D-xylopyranosyl-(1→3)-α-L-rhamnopyranosyl-(1→2)-α-L-arabinopyranosyl-30-norhederagenin; With trifluoroacetic acid; at 90 ℃; for 3h;

With pyridine; hydroxylamine hydrochloride; at 90 ℃; for 1h;

acetic anhydride; at 90 ℃; for 1h;

DOI:10.5012/bkcs.2014.35.4.1212

Reference yield:

3β-O-{α-L-rhamnopyranosyl-(1->3)-[β-D-xylopyranose-(1->2)]-β-D-glucopyranosyl-(1->4)-α-L-arabinopyranosyl}-3β-hydroxy-13β,28-epoxy-oleanan-16-oxo-30-al (1234555-69-1) + acetic anhydride (108-24-7) → L-arabinose aldonitrile peracetate (25546-40-1) + tetra-O-acetyl-D-xylonic acid nitrile (25546-40-1,25546-50-3,34360-54-8,34360-56-0,40732-38-5,40732-39-6,40732-40-9,40773-06-6,82509-80-6,13501-95-6) + L-rhamnose aldonitrile peracetate (6298-84-6,40732-36-3,40732-37-4,65700-89-2,6303-61-3) + 2,3,4,5,6-pentaacetoxy-D-glucononitrile (6337-12-8,35439-42-0,40732-44-3,75004-10-3,83830-73-3,83830-74-4,127000-04-8,127000-05-9,127000-06-0,127000-07-1,132202-32-5,132202-33-6,132202-34-7,132204-32-1,132204-33-2,6272-51-1) + C30H46O4 (2749-25-9)

Guidance literature:

3β-O-{α-L-rhamnopyranosyl-(1->3)-[β-D-xylopyranose-(1->2)]-β-D-glucopyranosyl-(1->4)-α-L-arabinopyranosyl}-3β-hydroxy-13β,28-epoxy-oleanan-16-oxo-30-al; With hydrogenchloride; In water; at 90 ℃; for 2h;

With pyridine; hydroxylamine hydrochloride; at 20 ℃; for 24h;

acetic anhydride; With pyridine; at 20 ℃; for 24h;

DOI:10.1016/j.cclet.2009.12.029

upstream raw materials:

2,3,4,5-tetrahydroxy-hexanal oxime

sodium acetate

acetic anhydride

L-fucose oxime

Downstream raw materials:

hydrogen cyanide

Refernces

• 1、 Zhang, Zhanjun,Wang, Fuhua,Wang, Mingchun,Ma, Liping,Ye, Hong,Zeng, Xiaoxiong. "A comparative study of the neutral and acidic polysaccharides from Allium macrostemon Bunge". . p. 980 - 987. Retrieved 2015/01/09.
• 2、 Shen, Yang,Xu, Cong-Li,Xuan, Wei-Dong,Li, Hui-Liang,Liu, Run-Hui,Xu, Xi-Ke,Chen, Hai-Sheng. "A new furostanol saponin from Asparagus cochinchinensis". experimental part. p. 1587 - 1591. Retrieved 2012/04/10.