(3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one

Base Information

• Chemical Name: (3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one
• CAS No.: 1444800-43-4
• Molecular Formula: C₁₅H₂₄N₂O₃
• Molecular Weight: 280.367
• Mol file: 1444800-43-4.mol

Synonyms:(3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one

Chemical Property of (3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one

There total 2 articles about (3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one 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: 66.0%

diazomethane (186581-53-3,908094-01-9,334-88-3) + (5S)-(D-menthyloxy)-2(5H)-furanone (122079-41-8) → (3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one (1444800-43-4) + C15H24N2O3

Guidance literature:

In diethyl ether; at -40 ℃; diastereoselective reaction; Darkness;

DOI:10.1055/s-0032-1317802

Reference yield:

(1S,2R,5S)-(+)-menthol (15356-60-2) → (3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one (1444800-43-4) + C15H24N2O3

Guidance literature:

Multi-step reaction with 2 steps

1.1: Rose Bengal lactone / methanol / Irradiation

1.2: Reflux

2.1: diethyl ether / -40 °C / Darkness

With Rose Bengal lactone; In methanol; diethyl ether;

DOI:10.1055/s-0032-1317802

Reference yield: 71.0%

(3aS,4S,6aR)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3,3a,4,6a‐tetrahydro‐6H‐furo[3,4‐c]pyrazol‐6‐one (1444800-43-4) → (1R,4S,5S)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3‐oxabicyclo[3.1.0]hexan‐2‐one (1444800-32-1)

Guidance literature:

With benzophenone; In benzene; Irradiation;

DOI:10.1055/s-0032-1317802

upstream raw materials:

(1S,2R,5S)-(+)-menthol

diazomethane

(5S)-(D-menthyloxy)-2(5H)-furanone

Downstream raw materials:

methyl (1R,2S)‐2‐(((benzyloxy)imino)methyl)cyclopropane‐1‐carboxylate

methyl (1R,2S)‐2‐(((benzyloxy)amino)methyl)cyclopropane‐1‐carboxylate

(1R,2S)‐2‐(((benzyloxy)(tert‐butoxycarbonyl)amino)methyl)cyclopropane‐1‐carboxylate

(1R,4S,5S)‐4‐(((1S,2R,5S)‐2‐isopropyl‐5‐methylcyclohexyl)oxy)‐3‐oxabicyclo[3.1.0]hexan‐2‐one