5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl ester

Base Information

Chemical Name:5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl ester
CAS No.:300676-96-4
Molecular Formula:C₂₁H₂₄N₂O₃
Molecular Weight:352.433
Hs Code.:

5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1<i>H</i>-pyrrolo[2,3-<i>b</i>]indole-8-carboxylic acid benzyl ester

Synonyms:5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl ester

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Chemical Property of 5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl ester

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Technology Process of 5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl ester

There total 9 articles about 5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl 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:

: 300676-95-3
2-acetoxy-3-[2-(tert-butoxycarbonyl-methyl-amino)-ethyl]-5-methoxy-3-methyl-2,3-dihydro-indole-1-carboxylic acid benzyl ester

: 300676-96-4
5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl ester

Guidance literature:: With hydrogenchloride; In ethyl acetate; Heating;
DOI:10.1021/ol006065o

Reference yield:

: 19501-58-7
4-methoxyphenylhydrazine hydrochloride

: 300676-96-4
5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 9 steps

1: 70 percent / pyridine; H₂O / 2.5 h / Heating

2: LiAlH₄ / tetrahydrofuran / 0 °C

3: aq. K₂CO₃

4: 89 percent / TBAF / tetrahydrofuran

5: 97 percent / Zn; AcOH / ethanol / Heating

6: 83 percent / NaBH₃CN / methanol / 12 h / 90 °C

7: 94 percent / NaHCO₃ / methanol

8: benzene / 60 °C

9: aq. HCl / ethyl acetate / Heating

With hydrogenchloride; lithium aluminium tetrahydride; tetrabutyl ammonium fluoride; sodium cyanoborohydride; sodium hydrogencarbonate; potassium carbonate; acetic acid; zinc; In tetrahydrofuran; pyridine; methanol; ethanol; water; ethyl acetate; benzene; 1: <3,3>-sigmatropic rearrangement; cyclization / 2: Reduction / 3: Condensation / 4: Hydrolysis / 5: reductive cleavage / 6: Ring cleavage / 7: Condensation / 8: Acetoxylation / 9: Hydrolysis;
DOI:10.1021/ol006065o

Reference yield:

: 300676-90-8
3-hydroxy-6-methoxy-4a-methyl-1-vinyl-3,4,4a,9a-tetrahydro-1H-pyrano[3,4-b]indole-9-carboxylic acid benzyl ester

: 300676-96-4
5-methoxy-1,3a-dimethyl-2,3,3a,8a-tetrahydro-1H-pyrrolo[2,3-b]indole-8-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 83 percent / NaBH₃CN / methanol / 12 h / 90 °C

2: 94 percent / NaHCO₃ / methanol

3: benzene / 60 °C

4: aq. HCl / ethyl acetate / Heating

With hydrogenchloride; sodium cyanoborohydride; sodium hydrogencarbonate; In methanol; ethyl acetate; benzene; 1: Ring cleavage / 2: Condensation / 3: Acetoxylation / 4: Hydrolysis;
DOI:10.1021/ol006065o