3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol

Base Information

Chemical Name:3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol
CAS No.:918829-06-8
Molecular Formula:C₂₉H₃₄N₂O
Molecular Weight:426.602
Hs Code.:

Synonyms:3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol

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Chemical Property of 3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol

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Technology Process of 3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol

There total 7 articles about 3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol 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: 71.0%

: 918829-03-5
3-((3S,7R,8R,9αR)-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol

: 100-52-7
benzaldehyde

: 918829-06-8
3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol

Guidance literature:: 3-((3S,7R,8R,9αR)-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol; benzaldehyde; In ethanol; at 20 ℃; for 0.166667h;

With borane pyridine; In ethanol; at 20 ℃; for 18h;
DOI:10.1021/jm0604878

Reference yield:

: 918829-62-6
tert-butyl (3R,4R)-4-(3-(tert-butyldimethylsilyloxy)phenyl)-3,4-dimethylpiperidine-1-carboxylate

: 918829-06-8
3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol

Guidance literature:: Multi-step reaction with 6 steps

1.1: N,N,N',N'-tetramethylenediamine; sec-butyllithium / diethyl ether; cyclohexane / 4.5 h / -78 °C

1.2: 73 percent / diethyl ether; cyclohexane / -78 - 20 °C

2.1: 82 percent / N,N-diisopropylethylamine; TBTU / acetonitrile / 20 °C

3.1: 95 percent / HCl / methanol; dioxane / 2 h / Heating

4.1: 47 percent / toluene / 60 h / Heating

5.1: 69 percent / BH₃*SMe₂ / tetrahydrofuran / 16 h / Heating

6.1: ethanol / 0.17 h / 20 °C

6.2: 71 percent / BH₃*pyridine / ethanol / 18 h / 20 °C

With hydrogenchloride; N,N,N,N,-tetramethylethylenediamine; dimethylsulfide borane complex; sec.-butyllithium; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; 1,4-dioxane; methanol; diethyl ether; ethanol; cyclohexane; toluene; acetonitrile;
DOI:10.1021/jm0604878

Reference yield:

: 918829-66-0
(3S,7R,8R,9aR)-8-(3-hydroxyphenyl)-7,8-dimethyl-3-phenyl-hexahydro-6H-pyrido[1,2-a]pyrazine-1,4-dione

: 918829-06-8
3-((3S,7R,8R,9αR)-2-benzyl-7,8-dimethyl-3-phenyl-octahydro-1H-pyrido[1,2-α]pyrazin-8-yl)phenol

Guidance literature:: Multi-step reaction with 2 steps

1.1: 69 percent / BH₃*SMe₂ / tetrahydrofuran / 16 h / Heating

2.1: ethanol / 0.17 h / 20 °C

2.2: 71 percent / BH₃*pyridine / ethanol / 18 h / 20 °C

With dimethylsulfide borane complex; In tetrahydrofuran; ethanol;
DOI:10.1021/jm0604878