(2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane

Base Information

• Chemical Name: (2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane
• CAS No.: 200344-30-5
• Molecular Formula: C₁₈H₂₄N₂O₄
• Molecular Weight: 332.4
• Mol file: 200344-30-5.mol

Synonyms:(2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane

Chemical Property of (2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane

There total 9 articles about (2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane 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: 80.0%

N-benzyl hydroxylalmine (622-30-0) + (3aR,5S,6R,6aR)-6-Allylamino-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole-5-carbaldehyde (200344-25-8) → (2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane (200344-30-5)

Guidance literature:

With 3 A molecular sieve; In benzene; at 25 ℃; for 16h;

DOI:10.1016/S0040-4020(99)00694-8

Reference yield: 80.0%

C18H24N2O4 → (2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane (200344-30-5)

Guidance literature:

DOI:10.1016/S0040-4039(97)10287-8

Reference yield:

1,2:5,6-di-O-isopropylidene-α-D-hexofuran-3-ulose (2847-00-9) → (2aR,2bR,4R,5R,5aR,7aS)-2-benzyl-2b,4,5,5a-tetrahydro-4,5-isopropylidenedioxy-furo[2',3':4,5]-1-oxa-2,6-diazabicyclo[4.2.1]nonane (200344-30-5)

Guidance literature:

Multi-step reaction with 5 steps

1: 3A molecular sieves / benzene / 8 h / Heating

2: NaBH₄ / methanol / 8 h / 0 °C

3: 83 percent / aq. H₂SO₄ / methanol / 32 h / 20 °C

4: NaIO₄ / aq. methanol / 2 h / 25 °C

5: 80 percent / 3A molecular sieves / benzene / 16 h / 25 °C

With sodium tetrahydroborate; sodium periodate; 3 A molecular sieve; sulfuric acid; In methanol; benzene; 1: Condensation / 2: Reduction / 3: Hydrolysis / 4: Oxidation / 5: Condensation;

DOI:10.1016/S0040-4020(99)00694-8

upstream raw materials:

N-benzyl hydroxylalmine

(3aR,5S,6R,6aR)-6-Allylamino-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole-5-carbaldehyde

1,2:5,6-di-O-isopropylidene-α-D-hexofuran-3-ulose

Allyl-[(3aR,5S,6aR)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-dihydro-furo[2,3-d][1,3]dioxol-(6E)-ylidene]-amine