[1S-[1alpha,2alpha(Z),4alpha]]-2-methyl-5-(2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl)-2-penten-1-ol synthesis
- Product Name:[1S-[1alpha,2alpha(Z),4alpha]]-2-methyl-5-(2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl)-2-penten-1-ol
- CAS Number:77-42-9
- Molecular formula:C15H24O
- Molecular Weight:220.35
![Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-](/CAS/20210305/GIF/1000210-73-0.gif)
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Yield:-
Steps:
Multi-step reaction with 6 steps
1: 1.) LDA, 2.) DMPU, O2, P(OEt)3 / THF, -90 deg C
2: LiAlH4 / tetrahydrofuran / 2 h / Heating
3: NaIO4 / H2O; ethanol / 0.67 h / Ambient temperature
4: 1.) NaN(SiMe3)2, 2.) H2O, H(+) / 1.) xylol, reflux, 2.) RT, 4 h
5: 62 percent / KN(SiMe3)2, 18-crown-6 / tetrahydrofuran / 4 h / -90 - -60 °C
6: 1.) Zn, TiCl4, 2.) DIBAH / 1.) THF, RT, 12 h, 2.) CH2Cl2, from -78 deg C to 0 deg C, 12 h
References:
Krotz, Achim;Helmchen, Guenter [Tetrahedron Asymmetry,1990,vol. 1,# 8,p. 537 - 540]
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![Bicyclo[2.2.1]heptane-2-propanal, 2-methyl-3-methylene-, (1S,2R,4R)-](/CAS/20210305/GIF/131232-80-9.gif)
131232-80-9
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4736-60-1
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![2-Penten-1-ol, 2-methyl-5-[(1S,2R,4R)-2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl]-, acetate, (2Z)-](/CAS/20200331/GIF/77-43-0.gif)
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77-42-9
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1000210-73-0
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77-42-9
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1000210-73-0
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77-42-9
8 suppliers
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