Keywords

• 1,3,5-Cyclohexanetricarboxylic acid 16526-68-4
• CIS-1,3,5-CYCLOHEXANETRICARBOXYLIC ACID
• -OL-3-ONE 3-CARBOXYMETHYLOXIME

Quick Details

• ProName: High quality of 1,3,5-Cyclohexanetrica...
• CasNo: 16526-68-4
• Molecular Formula: C9H12O6
• Appearance: White to Almost white powder to crysta...
• Application: Used as an organic intermediate
• DeliveryTime: within 2-3 day
• PackAge: carton boc
• Port: tianjin/qingdao/shanghai
• ProductionCapacity: 1000000 Kilogram/Month
• Purity: 99%
• Storage: cool and dry
• Transportation: by air or by sea or by express
• LimitNum: 1 Kilogram
• 1: 100

Superiority

A mixture of 18 g (85 mmol) of trimesic acid, 2 g (10% mass equiv) of 5% rhodium on alumina,22 and 300 mL of water was hydrogenated at 70 °C and 50 psi. Uptake was complete in 7 h and the yield was almost quantitative.

The filtrate was concentrated to give a white solid.

The acid obtained was mostly the cis,cis form (cis,cis/cis,trans = 7:1). Recrystalization from ethanol-toluene solution gave the cis,cis isomer, 1,3,5-Cyclohexanetricarboxylic acid, quantitative yield mp 218-219 °C (lit.23 mp 218 °C); 1H NMR (500 MHz, CDCl3) δ11.51 (br s, 3H), 1.91 (dd, J = 5.5 Hz, J = 5.0 Hz, 3H), 1.83 (dd, J = 13.0 Hz, J = 5.0 Hz, 3H), 1.02 (dd, J = 13.0 Hz, J = 5.5 Hz, 3H); 13C NMR (500 MHz, CDCl3) δ175.44, 40.79, 29.91; IR (cm-1) 2917, 2850, 1708, 1616, 1418, 1289, 1261.

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