methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate

Base Information

Chemical Name:methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate
CAS No.:264624-11-5
Molecular Formula:C₁₆H₁₇N₃O₅S
Molecular Weight:363.394
Hs Code.:

Synonyms:methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate

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Chemical Property of methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate

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Technology Process of methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate

There total 5 articles about methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-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: 22.0%

: 98-68-0
4-methoxy-phenyl-sulphonyl chloride

: methyl (+/-)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate hydrochloride

: 264624-11-5
methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate

Guidance literature:: With dmap; In N,N-dimethyl-formamide; at 20 ℃;
DOI:10.1016/S0968-0896(02)00426-1

Reference yield:

: 5910-89-4
2,3-dimethylpyrazine

: 264624-11-5
methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1: 44 percent / N-chlorosuccimide; benzoyl peroxide / CCl₄ / 21 h / Heating

2: 60 percent / Cs₂CO₃ / acetonitrile / 5 h / Heating

3: 6N HCl / 1 h / Heating

4: 2.40 g / SOCl₂ / 5 h / Heating

5: 22 percent / 4-dimethylaminopyridine / dimethylformamide / 20 °C

With hydrogenchloride; dmap; N-chloro-succinimide; thionyl chloride; caesium carbonate; dibenzoyl peroxide; In tetrachloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0968-0896(02)00426-1

Reference yield:

: 51043-75-5
2,3-bis(chloromethyl)pyrazine

: 264624-11-5
methyl (+/-)-6-(4-methoxybenzenesulfonyl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine-7-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: 60 percent / Cs₂CO₃ / acetonitrile / 5 h / Heating

2: 6N HCl / 1 h / Heating

3: 2.40 g / SOCl₂ / 5 h / Heating

4: 22 percent / 4-dimethylaminopyridine / dimethylformamide / 20 °C

With hydrogenchloride; dmap; thionyl chloride; caesium carbonate; In N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0968-0896(02)00426-1