(1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien

Base Information

• Chemical Name: (1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien
• CAS No.: 77951-87-2
• Molecular Formula: C₄₅H₃₇N
• Molecular Weight: 591.795

Synonyms:(1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien

Chemical Property of (1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien

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Technology Process of (1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien

There total 7 articles about (1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien 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: 73.0%

2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>nona-3,6,8-trien (77951-81-6) → (1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien (77951-87-2)

Guidance literature:

With hydrogen; platinum(IV) oxide; In chloroform; at 30 ℃; for 6h;

Reference yield: 70.0%

2,3,4,7a-Tetrahydro-2-methyl-r-1,c-3,5,6,7,t-7a-hexaphenyl-1H-cyclopentapyridin (77951-92-9) → (1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien (77951-87-2)

Guidance literature:

In acetonitrile; for 48h; Ambient temperature;

Reference yield:

3-methyl-2,4-diphenyloxazolium-5-olate (13712-75-9,165618-44-0) → (1r,3s)-2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>-6,8-nona-6,8-dien (77951-87-2)

Guidance literature:

Multi-step reaction with 4 steps

1: 33 percent / benzene; acetonitrile / 35 h / Ambient temperature

2: 80 percent / ethanol / 60 h / 70 °C

3: 84 percent / sodium tetrahydroborate / methanol / -20 °C

4: 70 percent / acetonitrile / 48 h / Ambient temperature

With sodium tetrahydroborate; In methanol; ethanol; acetonitrile; benzene;

upstream raw materials:

2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>nona-3,6,8-trien

2,3,4,7a-Tetrahydro-2-methyl-r-1,c-3,5,6,7,t-7a-hexaphenyl-1H-cyclopentapyridin

3-methyl-2,4-diphenyloxazolium-5-olate

1,2,3,4-tetraphenylfulvene

Downstream raw materials:

(2r,5s)-1',2,4',5,7',8',9'-Heptaphenylspirotriazatricyclo<5.2.1.0^2,6>dec<8>en>-3',5'-dion

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