(+)-1,3-dimethyl-2-phenylcyclooctatetraene

Base Information

Chemical Name:(+)-1,3-dimethyl-2-phenylcyclooctatetraene
CAS No.:87923-25-9
Molecular Formula:C₁₆H₁₆
Molecular Weight:208.303
Hs Code.:

Synonyms:

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Chemical Property of (+)-1,3-dimethyl-2-phenylcyclooctatetraene

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Technology Process of (+)-1,3-dimethyl-2-phenylcyclooctatetraene

There total 11 articles about (+)-1,3-dimethyl-2-phenylcyclooctatetraene 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:

: 87923-17-9,87923-28-2
(3aR,7aS)-3,7a-Dimethyl-3a,4,7,7a-tetrahydro-3H-isobenzofuran-1-one

: 87923-25-9,87982-75-0,87982-76-1
(+)-1,3-dimethyl-2-phenylcyclooctatetraene

Guidance literature:: Multi-step reaction with 7 steps

1: 83 percent / diethyl ether; benzene / 0.5 h / -78 °C

2: 58 percent / CrO₃ / CH₂Cl₂; pyridine / 1 h / Ambient temperature

3: 97 percent / TiCl₄, Zn-Cu / 1,2-dimethoxy-ethane / 1 h / Heating

4: pyridinium hydrobromide perbromide / CCl₄ / 12 h / Ambient temperature

5: 42 percent / LiF, Li₂CO₃ / hexamethylphosphoric acid triamide / 20 h / 60 - 65 °C

6: ethyl acetate / 48 h / Heating

7: 1.) NaOH, 2.) MnO₂ / 1.) i-PrOH, reflux, 20 h, 2.) Et₂O-H₂O-i-PrOH, 0 deg C, 20 min

With chromium(VI) oxide; manganese(IV) oxide; sodium hydroxide; pyridinium hydrobromide perbromide; titanium tetrachloride; lithium carbonate; copper; lithium fluoride; zinc; In pyridine; tetrachloromethane; N,N,N,N,N,N-hexamethylphosphoric triamide; 1,2-dimethoxyethane; diethyl ether; dichloromethane; ethyl acetate; benzene;
DOI:10.1021/ja00364a030

Reference yield:

: 87923-23-7
1,7-dimethyl-8-phenylbicyclo<4.2.0>octa-3,7-diene

: 87923-25-9,87982-75-0,87982-76-1
(+)-1,3-dimethyl-2-phenylcyclooctatetraene

Guidance literature:: Multi-step reaction with 4 steps

1: pyridinium hydrobromide perbromide / CCl₄ / 12 h / Ambient temperature

2: 42 percent / LiF, Li₂CO₃ / hexamethylphosphoric acid triamide / 20 h / 60 - 65 °C

3: ethyl acetate / 48 h / Heating

4: 1.) NaOH, 2.) MnO₂ / 1.) i-PrOH, reflux, 20 h, 2.) Et₂O-H₂O-i-PrOH, 0 deg C, 20 min

With manganese(IV) oxide; sodium hydroxide; pyridinium hydrobromide perbromide; lithium carbonate; lithium fluoride; In tetrachloromethane; N,N,N,N,N,N-hexamethylphosphoric triamide; ethyl acetate;
DOI:10.1021/ja00364a030

Reference yield:

: 87923-15-7
trans-4-methyl-5-acetylcyclohexene-4-carboxylic acid

: 87923-25-9,87982-75-0,87982-76-1
(+)-1,3-dimethyl-2-phenylcyclooctatetraene

Guidance literature:: Multi-step reaction with 8 steps

1: 67 percent / NaBH₄, NaHCO₃ / H₂O / 1 h / Ambient temperature

2: 83 percent / diethyl ether; benzene / 0.5 h / -78 °C

3: 58 percent / CrO₃ / CH₂Cl₂; pyridine / 1 h / Ambient temperature

4: 97 percent / TiCl₄, Zn-Cu / 1,2-dimethoxy-ethane / 1 h / Heating

5: pyridinium hydrobromide perbromide / CCl₄ / 12 h / Ambient temperature

6: 42 percent / LiF, Li₂CO₃ / hexamethylphosphoric acid triamide / 20 h / 60 - 65 °C

7: ethyl acetate / 48 h / Heating

8: 1.) NaOH, 2.) MnO₂ / 1.) i-PrOH, reflux, 20 h, 2.) Et₂O-H₂O-i-PrOH, 0 deg C, 20 min

With chromium(VI) oxide; manganese(IV) oxide; sodium hydroxide; sodium tetrahydroborate; pyridinium hydrobromide perbromide; titanium tetrachloride; lithium carbonate; copper; sodium hydrogencarbonate; lithium fluoride; zinc; In pyridine; tetrachloromethane; N,N,N,N,N,N-hexamethylphosphoric triamide; 1,2-dimethoxyethane; diethyl ether; dichloromethane; water; ethyl acetate; benzene;
DOI:10.1021/ja00364a030