1,4-DIBENZYL-6-PHENYLIMINO-7-THIA-1,4-DIAZA-SPIRO[4.4]NON-8-ENE-8,9-DICARBOXYLIC ACID DIMETHYL ESTER

Base Information

• Chemical Name: 1,4-DIBENZYL-6-PHENYLIMINO-7-THIA-1,4-DIAZA-SPIRO[4.4]NON-8-ENE-8,9-DICARBOXYLIC ACID DIMETHYL ESTER
• CAS No.: 885722-25-8
• Molecular Formula: C₃₀H₂₉N₃O₄S
• Molecular Weight: 527.644
• Mol file: 885722-25-8.mol

Synonyms:1,4-DIBENZYL-6-PHENYLIMINO-7-THIA-1,4-DIAZA-SPIRO[4.4]NON-8-ENE-8,9-DICARBOXYLIC ACID DIMETHYL ESTER

Chemical Property of 1,4-DIBENZYL-6-PHENYLIMINO-7-THIA-1,4-DIAZA-SPIRO[4.4]NON-8-ENE-8,9-DICARBOXYLIC ACID DIMETHYL ESTER

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Technology Process of 1,4-DIBENZYL-6-PHENYLIMINO-7-THIA-1,4-DIAZA-SPIRO[4.4]NON-8-ENE-8,9-DICARBOXYLIC ACID DIMETHYL ESTER

There total 6 articles about 1,4-DIBENZYL-6-PHENYLIMINO-7-THIA-1,4-DIAZA-SPIRO[4.4]NON-8-ENE-8,9-DICARBOXYLIC ACID DIMETHYL ESTER 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%

1,3-dibenzyl-2-N-phenylthiocarbamoylimidazolinium inner salt (885722-11-2) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl 1,3-dibenzyl-2'-phenylimino-2',3'-dihydrospiro[imidazoline-2,3'-thiophene]-4',5'-dicarboxylate (885722-25-8) + dimethyl 1,3-dibenzyl-1'-phenyl-2',3'-dihydrospiro(imidazolidine-2,3'-pyrrole)-2'-thione-4',5'-dicarboxylate

Guidance literature:

In 1,2-dichloro-ethane; at 20 - 30 ℃; for 0.5h;

DOI:10.1039/b517700f

Reference yield: 92.0%

1,3-dibenzyl-2-N-phenylthiocarbamoyl imidazolinium inner salt + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl 1,3-dibenzyl-1'-phenyl-2',3'-dihydrospiro(imidazolidine-2,3'-pyrrole)-2'-thione-4',5'-dicarboxylate + dimethyl 1,3-dibenzyl-2'-phenylimino-2',3'-dihydrospiro(imidazolidine-2,3'-thiophene)-4',5'-dicarboxylate (885722-25-8)

Guidance literature:

In 1,2-dichloro-ethane; at 20 - 30 ℃; for 0.5h;

DOI:10.1002/chem.200601482

Reference yield:

HCN(CH2C6H5)CH2CH2N(CH2C6H5)(1+)*Cl(1-)=[HCN(CH2C6H5)CH2CH2N(CH2C6H5)]Cl → dimethyl 1,3-dibenzyl-2'-phenylimino-2',3'-dihydrospiro[imidazoline-2,3'-thiophene]-4',5'-dicarboxylate (885722-25-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 68 percent / NaH / tetrahydrofuran; various solvent(s) / 10 - 20 °C

2: 92 percent / 1,2-dichloro-ethane / 0.5 h / 20 - 30 °C

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

DOI:10.1039/b517700f

upstream raw materials:

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

dimethyl acetylenedicarboxylate

phenyl isothiocyanate

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