(1S,βS)-1,4,4aα,5,6,7,8,8a-Octahydro-β,2,5,5,8aβ-pentamethyl-1β-naphthalenepentanoic acid methyl ester

Base Information

• Chemical Name: (1S,βS)-1,4,4aα,5,6,7,8,8a-Octahydro-β,2,5,5,8aβ-pentamethyl-1β-naphthalenepentanoic acid methyl ester
• CAS No.: 1438-55-7
• Molecular Formula: C₂₁H₃₆O₂
• Molecular Weight: 320.516
• Mol file: 1438-55-7.mol

Synonyms:(1S,βS)-1,4,4aα,5,6,7,8,8a-Octahydro-β,2,5,5,8aβ-pentamethyl-1β-naphthalenepentanoic acid methyl ester;Labdan-7-en-15-oic acid methyl ester

Chemical Property of (1S,βS)-1,4,4aα,5,6,7,8,8a-Octahydro-β,2,5,5,8aβ-pentamethyl-1β-naphthalenepentanoic acid methyl ester

Chemical Property:

• PSA: 26.30000
• LogP: 5.76460

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1S,βS)-1,4,4aα,5,6,7,8,8a-Octahydro-β,2,5,5,8aβ-pentamethyl-1β-naphthalenepentanoic acid methyl ester

There total 12 articles about (1S,βS)-1,4,4aα,5,6,7,8,8a-Octahydro-β,2,5,5,8aβ-pentamethyl-1β-naphthalenepentanoic acid methyl ester 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:

methyl labdanolate → methyl 8-labden-15-oate (6605-72-7,13902-98-2,65894-35-1,86190-00-3) + methyl labdenate (1438-55-7,86189-99-3,134517-71-8) + methyl cativate (1757-81-9,13008-80-5,13013-31-5,14787-78-1,24460-83-1,103476-93-3,134624-82-1)

Guidance literature:

With pyridine; trichlorophosphate; for 4.5h;

DOI:10.1016/0031-9422(82)80089-7

Reference yield:

labd-7-en-15-oic acid (110876-92-1) + diazomethane (88333-02-2,61170-69-2) → Catioinsaeure (1438-55-7,86189-99-3,134517-71-8)

Guidance literature:

In diethyl ether;

Reference yield:

(S)-3-Methyl-5-((1S,4aS,8aR)-2,5,5,8a-tetramethyl-1,4,4a,5,8,8a-hexahydro-naphthalen-1-yl)-pentanoic acid methyl ester → cativic acid methyl ester (1438-55-7)

Guidance literature:

With hydrogen; platinum(IV) oxide; In ethyl acetate;

DOI:10.1016/0031-9422(83)80248-9

upstream raw materials:

diazomethane

labd-7-en-15-oic acid

labd-8⁽¹⁷⁾-en-15-oic acid

labd-8-en-15-oic acid

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