2,4-DIMETHYL-6-PHENYL-DIHYDROPYRAN synthesis
2synthesis methods
- Product Name:2,4-DIMETHYL-6-PHENYL-DIHYDROPYRAN
- CAS Number:68039-41-8
- Molecular formula:C13H16O
- Molecular Weight:188.27
Yield:110-87-2 72%
Steps:
15 Preparation of 6-phenyl-2,4-dimethyl-5,6-dihydro-2H-pyrane represented by the formula (V) described above
EXAMPLE 15 Preparation of 6-phenyl-2,4-dimethyl-5,6-dihydro-2H-pyrane represented by the formula (V) described above The reaction was carried out in the same manner as in Example 8, except that 23 g (280 mmol) of 2-methyl-1,3-pentadiene was substituted for isoprene, whereby 16.1 g (yield: 72%) of desired dihydropyrane was obtained.
References:
US5907048,1999,A
