(3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide

Base Information

• Chemical Name: (3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide
• CAS No.: 135921-73-2
• Molecular Formula: C₁₆H₁₃NO₃S
• Molecular Weight: 299.35

Synonyms:(3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide

Chemical Property of (3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide

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Technology Process of (3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide

There total 2 articles about (3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide 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: 90.0%

p-methylbenzaldehyde oxime (3235-02-7,3717-15-5,3717-16-6,140461-26-3,140461-27-4) + benzothiophene-1,1-dioxide (825-44-5) → (3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide (135921-73-2)

Guidance literature:

With aluminum oxide; N-chloro-succinimide; at 20 - 145 ℃; for 0.166667h; Irradiation;

DOI:10.1016/S0040-4039(97)10392-6

Reference yield:

p-methylbenzaldehyde oxime (3235-02-7,3717-15-5,3717-16-6,140461-26-3,140461-27-4) → (3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide (135921-73-2)

Guidance literature:

With sodium hypochlorite; Yield given. Multistep reaction; 1) CHCl₃, reflux, 6 h, 2) 0 deg C;

DOI:10.1016/S0040-4039(00)79771-1

Reference yield:

(3aR,8bR)-3-p-Tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide (135921-73-2) → (3aS,8bR)-3a-Chloro-3-p-tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide (135921-77-6)

Guidance literature:

With sodium hypochlorite; In chloroform; for 60h; Heating;

DOI:10.1016/S0040-4039(00)79771-1

upstream raw materials:

p-methylbenzaldehyde oxime

benzothiophene-1,1-dioxide

Downstream raw materials:

(3aS,8bR)-3a-Chloro-3-p-tolyl-3a,8b-dihydro-benzo[4,5]thieno[2,3-d]isoxazole 4,4-dioxide

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