5,6-O-benzylidene-L-threo-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone)

Base Information

• Chemical Name: 5,6-O-benzylidene-L-threo-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone)
• CAS No.: 103066-44-0
• Molecular Formula: C₂₅H₂₂N₄O₄
• Molecular Weight: 442.474

Synonyms:5,6-O-benzylidene-L-threo-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone)

Chemical Property of 5,6-O-benzylidene-L-threo-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone)

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Technology Process of 5,6-O-benzylidene-L-threo-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone)

There total 2 articles about 5,6-O-benzylidene-L-threo-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone) 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: 92.0%

benzaldehyde (100-52-7) + dehydro-L-ascorbic acid phenylosazone (3909-11-3,35923-29-6,74211-51-1,77096-77-6,103128-93-4,103128-94-5) → 5,6-O-benzylidene-L-threo-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone) (103066-44-0)

Guidance literature:

With zinc(II) chloride; for 0.833333h;

DOI:10.1016/0008-6215(86)80044-1

Reference yield: 85.0%

benzaldehyde (100-52-7) + dehydro-D-isoascorbic acid phenylosazone (3909-11-3,35923-29-6,74211-51-1,77096-77-6,103128-93-4,103128-94-5) → 5,6-O-benzylidene-D-erythro-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone) (71365-25-8,103066-44-0,103066-45-1)

Guidance literature:

With zinc(II) chloride; for 0.833333h;

DOI:10.1016/0008-6215(86)80044-1

Reference yield: 91.0%

5,6-O-benzylidene-L-threo-2,3-hexodiulosono-1,4-lactone 2,3-bis(phenylhydrazone) (103066-44-0) → 3-(2,3-O-benzylidene-L-threo-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione 4-phenylhydrazone (102997-61-5)

Guidance literature:

With potassium hydroxide; In acetone; 70/80 deg C, 6 h, RT;

DOI:10.1016/0008-6215(86)80044-1

upstream raw materials:

benzaldehyde

dehydro-L-ascorbic acid phenylosazone

dehydro-D-isoascorbic acid phenylosazone

Downstream raw materials:

3-(2,3-O-benzylidene-L-threo-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione 4-phenylhydrazone

3-(1-O-acetyl-2,3-O-benzylidene-L-threo-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione 4-phenylhydrazone

3-(2,3-O-benzylidene-D-erythro-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione 4-phenylhydrazone

3-(1-O-benzoyl-2,3-O-benzylidene-D-erythro-glycerol-1-yl)-1-phenyl-4,5-pyrazoledione 4-phenylhydrazone

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