ChemicalBook CAS DataBase List METHOPRENE

METHOPRENE synthesis

7synthesis methods

Product Name:METHOPRENE
CAS Number:40596-69-8
Molecular formula:C19H34O3
Molecular Weight:310.47

106-72-9
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40596-69-8
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$55.00/50mg

Yield:-

Steps:

Multi-step reaction with 9 steps
1: 73 percent / NaBH₄ / methanol / 0.5 h / 25 °C
2: pyridine; diethyl ether / 6 h / Heating
3: 5.84 g / NaBr / dimethylformamide / 5 h / 50 °C
4: 5.8 g / 1.) n-BuLi, TMEDA / 1.) THF, 2.) -15 deg C, 1 h; 20 deg C, 2 h
5: 77 percent / H₂SO₄ conc. / 4 h / Heating
6: 1.64 g / 1.) n-BuLi / 1.) Et₂O, reflux, 1 h, 2.) THF
7: 0.21 g / LiOH / H₂O / 8 h / 25 °C / electrochemical reduction
8: diethyl ether / 0.5 h / 0 °C
9: m-CPBA / CH₂Cl₂ / 12 h / 0 °C

References:

Lozanova, A. V.;Gul'tyai, V. P.;Karaseva, A. N.;Moiseenkov, A. M. [Bulletin of the Academy of Sciences of the USSR Division of Chemical Science,1983,vol. 32,p. 1241 - 1245][Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya,1983,# 6,p. 1370 - 1373]