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| CIS-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE Basic information |
| Product Name: | CIS-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE | | Synonyms: | 2-Cyano-3-ethoxy-2-proenoicacidethylester;3-Isobenzofuranedione,hexahydro-,cis-1;cis-cyclohexane-1,2-dicarboxylicacidanhydride;Hexahydro-2-benzofuran-1,3-dione;(3aS)-3aα,4,5,6,7,7aα-Hexahydroisobenzofuran-1,3-dione;(3aα,7aα)-Octahydroisobenzofuran-1,3-dione;3aα,4,5,6,7,7aα-Hexahydroisobenzofuran-1,3-dione;(1R)-Cyclohexane-1β,2α-dicarboxylic anhydride | | CAS: | 13149-00-3 | | MF: | C8H10O3 | | MW: | 154.16 | | EINECS: | 236-086-3 | | Product Categories: | Pharmaceutical Intermediates | | Mol File: | 13149-00-3.mol |
| CIS-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE Chemical Properties |
| Melting point | 32-34 °C(lit.) | | Boiling point | 158 °C17 mm Hg(lit.) | | density | 1.23 | | refractive index | 1.4750 (estimate) | | Fp | >230 °F | | storage temp. | under inert gas (nitrogen or Argon) at 2-8°C | | form | Crystalline Low Melting Solid | | color | White to almost white | | Sensitive | Moisture Sensitive | | BRN | 83214 | | CAS DataBase Reference | 13149-00-3(CAS DataBase Reference) |
| CIS-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE Usage And Synthesis |
| Chemical Properties | white to almost white cryst. low melting solid | | Uses | (3aR,7aS)-rel-Hexahydro-1,3-isobenzofurandione is a reagent used in the synthesis of Pregabalin (P704800), a GABA analogue used as an anticonvulsant. Also used to prepare P2X7 receptor antagonists. | | Purification Methods | It has been obtained by heating the trans-acid or anhydride at 200o. Crystallise it from *C6H6/Et2O or distil it. [Kohler & Jansen J Am Chem Soc 60 2145
1938, Abell J Org Chem 22 769 1957, Beilstein 17 II 452, 17 III/IV 5931.] |
| CIS-1,2-CYCLOHEXANEDICARBOXYLIC ANHYDRIDE Preparation Products And Raw materials |
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