Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester

Base Information

• Chemical Name: Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester
• CAS No.: 225796-44-1
• Molecular Formula: C₂₁H₂₇NO₈
• Molecular Weight: 421.447
• Mol file: 225796-44-1.mol

Synonyms:Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester

Chemical Property of Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester

There total 2 articles about Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester 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:

(+)-D-glucosamine hydrochloride (1078691-95-8) → Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester (225796-44-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 86 percent / sodium methoxide / methanol / 24 h / 20 °C

2: ZnCl₂ / 6 h / 20 °C

3: pyridine / 24 h / 20 °C

With pyridine; sodium methylate; zinc(II) chloride; In methanol; 1: Acylation / 2: Cyclization / 3: Acetylation;

DOI:10.1021/jo990901u

Reference yield:

N-isopropyl-D-glucosamine (13996-78-6) → Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester (225796-44-1)

Guidance literature:

Multi-step reaction with 2 steps

1: ZnCl₂ / 6 h / 20 °C

2: pyridine / 24 h / 20 °C

With pyridine; zinc(II) chloride; 1: Cyclization / 2: Acetylation;

DOI:10.1021/jo990901u

Reference yield: 52.0%

Acetic acid (2R,4aR,7R,8R,8aS)-6-acetoxy-7-isobutyrylamino-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester (225796-44-1) → Acetic acid (3aR,4aR,7R,8aS,9R,9aR)-2-isopropyl-7-phenyl-3a,4a,5,8a,9,9a-hexahydro-3,4,6,8-tetraoxa-1-aza-cyclopenta[b]naphthalen-9-yl ester (225796-45-2)

Guidance literature:

With tin(IV) chloride; In dichloromethane; for 1h; Ambient temperature;

DOI:10.1039/a810041a

upstream raw materials:

(+)-D-glucosamine hydrochloride

N-isopropyl-D-glucosamine

Downstream raw materials:

Acetic acid (3aR,4aR,7R,8aS,9R,9aR)-2-isopropyl-7-phenyl-3a,4a,5,8a,9,9a-hexahydro-3,4,6,8-tetraoxa-1-aza-cyclopenta[b]naphthalen-9-yl ester

2-isopropyl-4,5-(4,6-O-benzylidene-1,2-dideoxy-α-D-glucopyrano)-[2,1-d]-2-oxazoline