ethyl 7-methoxy-6-methyl-2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo<1,2-a>indole-9-carboxylate

Base Information

Chemical Name:ethyl 7-methoxy-6-methyl-2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo<1,2-a>indole-9-carboxylate
CAS No.:83605-97-4
Molecular Formula:C₁₆H₁₇NO₅
Molecular Weight:303.315
Hs Code.:

Synonyms:ethyl 7-methoxy-6-methyl-2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo<1,2-a>indole-9-carboxylate

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Chemical Property of ethyl 7-methoxy-6-methyl-2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo<1,2-a>indole-9-carboxylate

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Technology Process of ethyl 7-methoxy-6-methyl-2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo<1,2-a>indole-9-carboxylate

There total 2 articles about ethyl 7-methoxy-6-methyl-2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo<1,2-a>indole-9-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:

: 77357-44-9
2,3-Dibromo-5-methoxy-6-methyl-1,4-benzoquinone

: 35150-22-2
(Z)-ethyl 2-(pyrrolidin-2-ylidene)acetate

: 83605-97-4
ethyl 7-methoxy-6-methyl-2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo<1,2-a>indole-9-carboxylate

: 85083-43-8
6-Methoxy-7-methyl-5,8-dioxo-2,3,5,8-tetrahydro-1H-pyrrolo[1,2-a]indole-9-carboxylic acid ethyl ester

Guidance literature:: With potassium carbonate; copper(ll) bromide; In acetonitrile; for 120h; Yield given. Yields of byproduct given;
DOI:10.1021/ja00347a055

Reference yield:

: 35150-22-2
(Z)-ethyl 2-(pyrrolidin-2-ylidene)acetate

: 83605-97-4
ethyl 7-methoxy-6-methyl-2,3,5,8-tetrahydro-5,8-dioxo-1H-pyrrolo<1,2-a>indole-9-carboxylate

Guidance literature:: Multi-step reaction with 6 steps

2: 96 percent / conc. HCl / acetone / 25 °C

3: 84 percent / (KO₃)2NO (DMF/KH₂PO₄) / 24 h / 25 °C

4: BBr₃ / CH₂Cl₂ / -78 °C

5: 1.5 h / -78 - 25 °C

6: 91 percent / diethyl ether / 1 h / 25 °C

With hydrogenchloride; (KO₃)2NO (DMF/KH₂PO₄); boron tribromide; In diethyl ether; dichloromethane; acetone;
DOI:10.1021/jo00145a058