5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene

Base Information

Chemical Name:5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene
CAS No.:216310-10-0
Molecular Formula:C₂₂H₂₀O₂
Molecular Weight:316.4
Hs Code.:

Synonyms:5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene

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Chemical Property of 5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene

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Technology Process of 5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene

There total 7 articles about 5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene 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: 96.0%

: 216310-09-7
4-Benzyloxy-1-bromo-2-(1-methoxy-but-3-enyl)-naphthalene

: 216310-10-0
5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene

Guidance literature:: With palladium diacetate; 1,3-bis-(diphenylphosphino)propane; triethylamine; silver carbonate; In acetonitrile; 1) 25 deg C, 10 min; 2) 80 deg C, 2 h;
DOI:10.1021/jo981698q

Reference yield:

: 33295-46-4
ethyl 4-acetoxynaphthalene-2-carboxylate

: 216310-10-0
5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene

Guidance literature:: Multi-step reaction with 7 steps

1: 90 percent / K₂CO₃ / ethanol

2: 1.) NBS, 2.) K₂CO₃ / 1) DMF; 2) DMF

3: 94 percent / LiAlH₄

4: 76 percent / PCC

5: 94 percent

6: 100 percent / NaH

7: 96 percent / Et₃N, Ag₂CO₃, 1,3-bis(diphenylphosphino)propane, Pd(OAc)2 / acetonitrile / 1) 25 deg C, 10 min; 2) 80 deg C, 2 h

With palladium diacetate; N-Bromosuccinimide; lithium aluminium tetrahydride; 1,3-bis-(diphenylphosphino)propane; sodium hydride; potassium carbonate; triethylamine; silver carbonate; pyridinium chlorochromate; In ethanol; acetonitrile;
DOI:10.1021/jo981698q

Reference yield:

: 91307-39-0
ethyl 1,2,3,4-tetrahydro-4-hydroxy-2-naphthoate

: 216310-10-0
5-Benzyloxy-3-methoxy-1-methylene-2,3-dihydro-1H-cyclopenta[a]naphthalene

Guidance literature:: Multi-step reaction with 6 steps

1: 1.) NBS, 2.) K₂CO₃ / 1) DMF; 2) DMF

2: 94 percent / LiAlH₄

3: 76 percent / PCC

4: 94 percent

5: 100 percent / NaH

6: 96 percent / Et₃N, Ag₂CO₃, 1,3-bis(diphenylphosphino)propane, Pd(OAc)2 / acetonitrile / 1) 25 deg C, 10 min; 2) 80 deg C, 2 h

With palladium diacetate; N-Bromosuccinimide; lithium aluminium tetrahydride; 1,3-bis-(diphenylphosphino)propane; sodium hydride; potassium carbonate; triethylamine; silver carbonate; pyridinium chlorochromate; In acetonitrile;
DOI:10.1021/jo981698q