(3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one

Base Information

Chemical Name:(3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one
CAS No.:112792-92-4
Molecular Formula:C₂₀H₂₀N₂OS
Molecular Weight:336.458
Hs Code.:

Synonyms:(3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one

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Technology Process of (3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one

There total 8 articles about (3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one 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: 77.0%

: 112792-91-3
(3aS,6R,6aR)-1,3-Dibenzyl-6-bromomethyl-tetrahydro-thieno[3,4-d]imidazol-2-one

: 112792-92-4
(3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one

Guidance literature:: With 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; benzene; for 1h; Heating;
DOI:10.1021/jo00240a043

Reference yield:

: 52022-82-9
(E)-5-bromopenta-1,3-diene

: 112792-92-4
(3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one

Guidance literature:: Multi-step reaction with 6 steps

1: 97 percent / NaH / CH₂Cl₂ / 2 h / 0 °C

2: 1.) toluene, RT, 10 h, 2.) reflux, 1 h

3: 91 percent / NaBH₄ / methanol / 18 h / Ambient temperature

4: 96 percent / NaH / tetrahydrofuran / 12 h

5: 88 percent / bromine-dioxane complex / acetonitrile / 10 h

6: 77 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene (DBU) / benzene; CH₂Cl₂ / 1 h / Heating

With sodium tetrahydroborate; bromine; sodium hydride; 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; methanol; dichloromethane; acetonitrile; benzene;
DOI:10.1021/jo00240a043

Reference yield:

: 100-39-0
benzyl bromide

: 112792-92-4
(3aS,6aR)-1,3-Dibenzyl-6-methylene-tetrahydro-thieno[3,4-d]imidazol-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: 96 percent / NaH / tetrahydrofuran / 12 h

2: 88 percent / bromine-dioxane complex / acetonitrile / 10 h

3: 77 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene (DBU) / benzene; CH₂Cl₂ / 1 h / Heating

With bromine; sodium hydride; 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; dichloromethane; acetonitrile; benzene;
DOI:10.1021/jo00240a043