9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene

Base Information

• Chemical Name: 9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene
• CAS No.: 873435-67-7
• Molecular Formula: C₃₁H₄₀O₃Si
• Molecular Weight: 488.742

Synonyms:9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene

Chemical Property of 9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene

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Technology Process of 9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene

There total 3 articles about 9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene 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: 89.0%

cyclopentyl-(3-methoxy-prop-1-ynyl)-bis-(1-phenethyl-but-3-enyloxy)-silane (819048-96-9) → 9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene (873435-67-7)

Guidance literature:

tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In dichloromethane; at 40 ℃; Heating;

DOI:10.1016/j.jorganchem.2005.04.037

Reference yield:

cyclopentyl-tris-(3-methoxy-prop-1-ynyl)-silane (819048-70-9) → 9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene (873435-67-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 74 percent / sodium hydride / hexane / 20 °C

2: 89 percent / 2nd generation Grubbs catalyst / CH₂Cl₂ / 40 °C / Heating

With sodium hydride; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In hexane; dichloromethane;

DOI:10.1016/j.jorganchem.2005.04.037

Reference yield:

1-phenylhex-5-en-3-ol (60340-28-5) → 9a-cyclopentyl-5-methoxymethyl-2,8-diphenethyl-3,7,8,9a-tetrahydro-2H-1,9-dioxa-9a-sila-benzocycloheptene (873435-67-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 74 percent / sodium hydride / hexane / 20 °C

2: 89 percent / 2nd generation Grubbs catalyst / CH₂Cl₂ / 40 °C / Heating

With sodium hydride; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In hexane; dichloromethane;

DOI:10.1016/j.jorganchem.2005.04.037

upstream raw materials:

cyclopentyl-(3-methoxy-prop-1-ynyl)-bis-(1-phenethyl-but-3-enyloxy)-silane

cyclopentyl-tris-(3-methoxy-prop-1-ynyl)-silane

1-phenylhex-5-en-3-ol

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