ETHYL 1,3-DIBENZYL-1'-PHENYL-2'-THIOXO-1,1',2',3-TETRAHYDROSPIRO[BENZO[D]IMIDAZOLE-2,3'-PYRROLE]-4'-CARBOXYLATE

Base Information

• Chemical Name: ETHYL 1,3-DIBENZYL-1'-PHENYL-2'-THIOXO-1,1',2',3-TETRAHYDROSPIRO[BENZO[D]IMIDAZOLE-2,3'-PYRROLE]-4'-CARBOXYLATE
• CAS No.: 885722-31-6
• Molecular Formula: C₃₃H₂₉N₃O₂S
• Molecular Weight: 531.678
• Mol file: 885722-31-6.mol

Synonyms:ETHYL 1,3-DIBENZYL-1'-PHENYL-2'-THIOXO-1,1',2',3-TETRAHYDROSPIRO[BENZO[D]IMIDAZOLE-2,3'-PYRROLE]-4'-CARBOXYLATE

Chemical Property of ETHYL 1,3-DIBENZYL-1'-PHENYL-2'-THIOXO-1,1',2',3-TETRAHYDROSPIRO[BENZO[D]IMIDAZOLE-2,3'-PYRROLE]-4'-CARBOXYLATE

Chemical Property:

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Technology Process of ETHYL 1,3-DIBENZYL-1'-PHENYL-2'-THIOXO-1,1',2',3-TETRAHYDROSPIRO[BENZO[D]IMIDAZOLE-2,3'-PYRROLE]-4'-CARBOXYLATE

There total 3 articles about ETHYL 1,3-DIBENZYL-1'-PHENYL-2'-THIOXO-1,1',2',3-TETRAHYDROSPIRO[BENZO[D]IMIDAZOLE-2,3'-PYRROLE]-4'-CARBOXYLATE 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: 82.0%

1,3-dibenzyl-2-N-phenylthiocarbamoylbenzimidazolium inner salt (211240-97-0) + propynoic acid ethyl ester (623-47-2) → ethyl 1,3-dibenzyl-1'-phenyl-2',3'-dihydrospiro[benzimidazoline-2,3'-pyrrole]-2'-thione-4'-carboxylate (885722-31-6) + ethyl 1,3-dibenzyl-2'-phenylimino-2',3'-dihydrospiro[benzimidazoline-2,3'-thiophene]-4'-carboxylate

Guidance literature:

In 1,2-dichloro-ethane; for 0.833333h; Heating;

DOI:10.1039/b517700f

Reference yield:

1,3-dibenzyl-1H-benzimidazol-3-ium bromide → ethyl 1,3-dibenzyl-1'-phenyl-2',3'-dihydrospiro[benzimidazoline-2,3'-pyrrole]-2'-thione-4'-carboxylate (885722-31-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 89 percent / NaH / tetrahydrofuran; various solvent(s) / 10 - 20 °C

2: 82 percent / 1,2-dichloro-ethane / 0.83 h / Heating

With sodium hydride; In tetrahydrofuran; 1,2-dichloro-ethane;

DOI:10.1039/b517700f

Reference yield:

phenyl isothiocyanate (103-72-0) → ethyl 1,3-dibenzyl-1'-phenyl-2',3'-dihydrospiro[benzimidazoline-2,3'-pyrrole]-2'-thione-4'-carboxylate (885722-31-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 89 percent / NaH / tetrahydrofuran; various solvent(s) / 10 - 20 °C

2: 82 percent / 1,2-dichloro-ethane / 0.83 h / Heating

With sodium hydride; In tetrahydrofuran; 1,2-dichloro-ethane;

DOI:10.1039/b517700f

upstream raw materials:

1,3-dibenzyl-2-N-phenylthiocarbamoylbenzimidazolium inner salt

propynoic acid ethyl ester

phenyl isothiocyanate

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