(7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine

Base Information

Chemical Name:(7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine
CAS No.:918829-92-2
Molecular Formula:C₂₉H₃₄N₂O₃S
Molecular Weight:490.667
Hs Code.:

Synonyms:(7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine

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Chemical Property of (7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine

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Technology Process of (7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine

There total 10 articles about (7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine 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: 70.0%

: 918829-71-7
(7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-octahydro-1H-pyrido[1,2-a]pyrazine

: 98-09-9
benzenesulfonyl chloride

: 918829-92-2
(7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine

Guidance literature:: With triethylamine; In tetrahydrofuran; at 20 ℃; for 2h;
DOI:10.1021/jm0604878

Reference yield:

: 918829-13-7
3-(7,8-dimethyl-octahydro-pyrido[1,2-a]pyrazin-8-yl)-phenol

: 918829-92-2
(7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine

Guidance literature:: Multi-step reaction with 4 steps

1: 74 percent / triethylamine / tetrahydrofuran / 18 h / 20 °C

2: 99 percent / potassium carbonate / dimethylformamide / 18 h / 20 °C

3: 100 percent / HCl / methanol; diethyl ether / 18 h / 20 °C

4: 70 percent / triethylamine / tetrahydrofuran / 2 h / 20 °C

With hydrogenchloride; potassium carbonate; triethylamine; In tetrahydrofuran; methanol; diethyl ether; N,N-dimethyl-formamide;
DOI:10.1021/jm0604878

Reference yield:

: 918829-84-2
(7R,8R,9aR)-8-(3-hydroxyphenyl)-7,8-dimethyl-hexahydro-6H-pyrido[1,2-a]pyrazine-1,4-dione

: 918829-92-2
(7R,8R,9aR)-8-(3-(benzyloxy)phenyl)-7,8-dimethyl-2-(phenylsulfonyl)-octahydro-1H-pyrido[1,2-a]pyrazine

Guidance literature:: Multi-step reaction with 5 steps

1: 73 percent / BH₃*SMe₂ / tetrahydrofuran / Heating

2: 74 percent / triethylamine / tetrahydrofuran / 18 h / 20 °C

3: 99 percent / potassium carbonate / dimethylformamide / 18 h / 20 °C

4: 100 percent / HCl / methanol; diethyl ether / 18 h / 20 °C

5: 70 percent / triethylamine / tetrahydrofuran / 2 h / 20 °C

With hydrogenchloride; dimethylsulfide borane complex; potassium carbonate; triethylamine; In tetrahydrofuran; methanol; diethyl ether; N,N-dimethyl-formamide;
DOI:10.1021/jm0604878