1,1,2,3,3-pentamethylindan synthesis
- Product Name:1,1,2,3,3-pentamethylindan
- CAS Number:1203-17-4
- Molecular formula:C14H20
- Molecular Weight:188.31
33704-60-8
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Yield: 100%
Reaction Conditions:
with palladium 10% on activated carbonReagent/catalyst;
Steps:
1 Example 1: Dehydrogenation using a commercial heterogeneous catalyst
Two commercially available heterogeneous catalysts are used: 5% Pd/C and 10% Pd/C from 1,1,2,3,3-pentamethyl-octahydro-1H-indene(HHPMI), a 70% and 100% yield, respectively, of aromatic ingredients, such as Jiale Hongxiang (for example,Galaxolide HC, which is 1,1,2,3,3-pentamethyl-2,3-dihydro-1H-indene, hereinafter "PMI"), as illustrated by the following formula:
References:
International Flavors He Fragrances Corporation;Su Nisha·rao·taidepali;Ji Taishen·karunakailun·taimupi;A Neibuhan·P·S·narula CN107522583, 2017, A Location in patent:Paragraph 0068-0070