5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone

Base Information

• Chemical Name: 5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone
• CAS No.: 140193-68-6
• Molecular Formula: C₂₅H₂₇NO₆
• Molecular Weight: 437.492
• Mol file: 140193-68-6.mol

Synonyms:5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone

Chemical Property of 5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone

There total 4 articles about 5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone 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: 68.0%

5-[Benzylamino-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methyl]-5H-furan-2-one (140193-75-5,140193-76-6) + benzyl chloroformate (501-53-1,94274-21-2) → 5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone (140193-68-6)

Guidance literature:

With sodium hydrogencarbonate; In 1,4-dioxane; for 3h; Ambient temperature;

DOI:10.1016/S0040-4020(01)88132-1

Reference yield:

(R)-2,3-di-O-isoproylideneglyceraldehyde N-benzylimine (131319-74-9) → 5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone (140193-68-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 66 percent / BF₃*OEt₂ / CH₂Cl₂ / 6 h / -85 °C

2: 68 percent / 7percent aq. NaHCO₃ / dioxane / 3 h / Ambient temperature

With boron trifluoride diethyl etherate; sodium hydrogencarbonate; In 1,4-dioxane; dichloromethane;

DOI:10.1016/S0040-4020(01)88132-1

Reference yield:

2,3-isopropylidene-glyceraldehyde (15186-48-8) → 5-(N-benzyl-N-benzoxycarbonylamino)-6,7-O-isopropylidene-2,3,5-trideoxy-D-ribo-hept-2-enono-1,4-lactone (140193-68-6)

Guidance literature:

Multi-step reaction with 3 steps

1: MgSO₄ / diethyl ether / 0 °C

2: 66 percent / BF₃*OEt₂ / CH₂Cl₂ / 6 h / -85 °C

3: 68 percent / 7percent aq. NaHCO₃ / dioxane / 3 h / Ambient temperature

With boron trifluoride diethyl etherate; sodium hydrogencarbonate; magnesium sulfate; In 1,4-dioxane; diethyl ether; dichloromethane;

DOI:10.1016/S0040-4020(01)88132-1

upstream raw materials:

5-[Benzylamino-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methyl]-5H-furan-2-one

benzyl chloroformate

(R)-2,3-di-O-isoproylideneglyceraldehyde N-benzylimine

benzylamine

Downstream raw materials:

1-O-trimethylsilyl-5-(N-benzyl-N-benzoxycarbonylamino)-2,3;6,7-di-O-isopropylidene-D-glycero-D-allo-heptofuranose

5-(N-benzyl-N-benzoxycarbonylamino)-2,3;5,6-di-O-isopropylidene-5-deoxy-D-glycero-D-allo-heptono-1,4-lactone