(+)-8 9-DIDEHYDROCYCLOISOLONGIFOLENE

Base Information

• Chemical Name: (+)-8 9-DIDEHYDROCYCLOISOLONGIFOLENE
• CAS No.: 74842-33-4
• Molecular Formula: C₁₅H₂₂
• Molecular Weight: 202.34

Synonyms:2,3b-Methano-3bH-cyclopenta[1,3]cyclopropa[1,2]benzene,1,2,3,3a,4,5-hexahydro-1,1,4,4-tetramethyl-, [2S-(2a,3ab,3ba,7aR*)]- (9CI)

Chemical Property of (+)-8 9-DIDEHYDROCYCLOISOLONGIFOLENE

Chemical Property:

• Refractive Index: n20/D 1.495
• Boiling Point: 257-258 °C(lit.)
• PSA: 0.00000
• Density: 0.935 g/mL at 20 °C(lit.)
• LogP: 4.02490
• Storage Temp.: 2-8°C

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (+)-8 9-DIDEHYDROCYCLOISOLONGIFOLENE

There total 3 articles about (+)-8 9-DIDEHYDROCYCLOISOLONGIFOLENE 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:

cycloisolongifolol (26783-23-3,29461-12-9,29461-20-9,66510-77-8,74841-81-9,74842-43-6) → dehydrocycloisolongifolene (74842-33-4) + (2R,4aS)-1,1,5,5-Tetramethyl-1,3,4,5,6,7-hexahydro-2H-2,4a-methano-naphthalen-4-ol (29476-92-4,63087-80-9,63087-81-0,74842-30-1,83290-64-6) + C17H26O2 (74799-19-2) + Acetic acid (2R,4aS)-1,1,5,5-tetramethyl-1,3,4,5,6,7-hexahydro-2H-2,4a-methano-naphthalen-4-yl ester (74813-20-0)

Guidance literature:

With sulfuric acid; acetic acid; at 8 - 10 ℃; Yield given;

DOI:10.1016/0040-4020(80)80020-2

Reference yield:

acetic acid (64-19-7,77671-22-8) + cycloisolongifolol (26783-23-3,29461-12-9,29461-20-9,66510-77-8,74841-81-9,74842-43-6) → dehydrocycloisolongifolene (74842-33-4) + (2R,4aS)-1,1,5,5-Tetramethyl-1,3,4,5,6,7-hexahydro-2H-2,4a-methano-naphthalen-4-ol (29476-92-4,63087-80-9,63087-81-0,74842-30-1,83290-64-6) + C17H26O2 (74799-19-2) + Acetic acid (2R,4aS)-1,1,5,5-tetramethyl-1,3,4,5,6,7-hexahydro-2H-2,4a-methano-naphthalen-4-yl ester (74813-20-0)

Guidance literature:

With sulfuric acid; at 8 - 10 ℃; Yield given. Yields of byproduct given;

DOI:10.1016/0040-4020(80)80020-2

Reference yield:

→ dehydrocycloisolongifolene (74842-33-4)

Guidance literature:

Longifolen 22, LiAlH4;

DOI:10.1016/0040-4020(77)80261-5

upstream raw materials:

acetic acid

cycloisolongifolol

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