methyl 1'-benzyl-5'-chloro-2,2-dicyano-5-methoxy-4-triphenyl-λ⁵-phosphanylidene-2',3-dioxospiro[cyclopentane-1,3'-indoline]-5-carboxylate

Base Information

• Chemical Name: methyl 1'-benzyl-5'-chloro-2,2-dicyano-5-methoxy-4-triphenyl-λ⁵-phosphanylidene-2',3-dioxospiro[cyclopentane-1,3'-indoline]-5-carboxylate
• CAS No.: 1596598-11-6
• Molecular Formula: C₄₂H₃₁ClN₃O₅P
• Molecular Weight: 724.152

Synonyms:methyl 1'-benzyl-5'-chloro-2,2-dicyano-5-methoxy-4-triphenyl-λ⁵-phosphanylidene-2',3-dioxospiro[cyclopentane-1,3'-indoline]-5-carboxylate

Chemical Property of methyl 1'-benzyl-5'-chloro-2,2-dicyano-5-methoxy-4-triphenyl-λ⁵-phosphanylidene-2',3-dioxospiro[cyclopentane-1,3'-indoline]-5-carboxylate

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Technology Process of methyl 1'-benzyl-5'-chloro-2,2-dicyano-5-methoxy-4-triphenyl-λ⁵-phosphanylidene-2',3-dioxospiro[cyclopentane-1,3'-indoline]-5-carboxylate

There total 2 articles about methyl 1'-benzyl-5'-chloro-2,2-dicyano-5-methoxy-4-triphenyl-λ⁵-phosphanylidene-2',3-dioxospiro[cyclopentane-1,3'-indoline]-5-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: 88.0%

C18H12ClN3O + dimethyl acetylenedicarboxylate (762-42-5) + triphenylphosphine (603-35-0) → methyl 1'-benzyl-5'-chloro-2,2-dicyano-5-methoxy-4-triphenyl-λ5-phosphanylidene-2',3-dioxospiro[cyclopentane-1,3'-indoline]-5-carboxylate (1596598-11-6)

Guidance literature:

In 1,2-dimethoxyethane; at 0 - 20 ℃; for 2h;

DOI:10.1021/ol5008394

Reference yield: 88.0%

2-(1-benzyl-5-chloro-2-oxoindolin-3-ylidene)malononitrile (864966-11-0) + dimethyl acetylenedicarboxylate (762-42-5) + triphenylphosphine (603-35-0) → methyl 1'-benzyl-5'-chloro-2,2-dicyano-5-methoxy-4-triphenyl-λ5-phosphanylidene-2',3-dioxospiro[cyclopentane-1,3'-indoline]-5-carboxylate (1596598-11-6)

Guidance literature:

In 1,2-dimethoxyethane; at 20 ℃; for 2h; Cooling with ice;

DOI:10.1021/acs.orglett.5b02956

upstream raw materials:

dimethyl acetylenedicarboxylate

triphenylphosphine

2-(1-benzyl-5-chloro-2-oxoindolin-3-ylidene)malononitrile

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