3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone

Base Information

• Chemical Name: 3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone
• CAS No.: 222317-67-1
• Molecular Formula: C₂₆H₃₀O₁₀S₂
• Molecular Weight: 566.65

Synonyms:3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone

Chemical Property of 3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone

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Technology Process of 3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone

There total 2 articles about 3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-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: 89.0%

p-toluenesulfonylanhydride (4124-41-8) + 3,4-O-cyclohexylidene-D-altrono-1,5-lactone (150496-21-2) → 3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone (222317-67-1)

Guidance literature:

With pyridine; 3 A molecular sieve; at 20 ℃; for 16h;

DOI:10.1039/b002996n

Reference yield: 61.0%

p-toluenesulfonyl chloride (98-59-9) + 3,4-O-cyclohexylidene-D-altrono-1,5-lactone (150496-21-2) → 3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone (222317-67-1) + 3,4-O-Cyclohexylidene-6-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone (321438-41-9)

Guidance literature:

With pyridine; 3 A molecular sieve; at 20 ℃; for 16h;

DOI:10.1039/b002996n

Reference yield: 60.0%

methanol (67-56-1) + 3,4-O-Cyclohexylidene-2,6-bis-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone (222317-67-1) → Methyl 2,5-anhydro-3,4-O-cyclohexylidene-6-O-(p-tolylsulfonyl)-D-allonate (321438-45-3) + Methyl 2,5-anhydro-3,4-O-cyclohexylidene-6-O-(p-tolylsulfonyl)-D-altronate (321438-46-4)

Guidance literature:

With potassium carbonate;

DOI:10.1016/S0040-4039(99)00110-0

upstream raw materials:

p-toluenesulfonylanhydride

3,4-O-cyclohexylidene-D-altrono-1,5-lactone

p-toluenesulfonyl chloride

Downstream raw materials:

Methyl 2,5-anhydro-3,4-O-cyclohexylidene-6-O-(p-tolylsulfonyl)-D-allonate

Methyl 2,5-anhydro-3,4-O-cyclohexylidene-6-O-(p-tolylsulfonyl)-D-altronate

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