CAS： 35963-20-3
MF： C10H16O4S
Appearance： white to light yellow crystal powder
| Description | (1R)-(-)-10-Camphorsulfonic acid is classified as a sulfonic acid derivative and an optically active enantiomer of camphorsulfonic acid. It belongs to a group of chemicals widely used in pharmaceuticals, particularly as reagents in the preparation and resolution of enantiomerically pure compounds. |
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Production method |
(1R)-(-)-10-Camphorsulfonic acid is produced through a multi-step reaction: Camphor is dissolved in acetic anhydride. |
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Uses |
Pharmaceutical Intermediate: Used in the synthesis of pharmaceutical compounds. Chiral Derivative: A chiral derivative of camphor, important in asymmetric synthesis. Resolving Agent: Used for the resolution of chiral amines and other cations to obtain enantiomerically pure products. |
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Definition |
ChEBI: The R enantiomer of camphorsulfonic acid. |
| Solubility | Soluble in water and many organic solvents like ethanol, ethyl acetate, and glacial acetic acid. Insoluble in ether. |
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Purification Methods |
(1R)-(-)-10-Camphorsulfonic acid is purified by crystallization from solvents like acetic acid or ethyl acetate. It forms prisms and is deliquescent, requiring airtight storage to maintain purity. |
InChI:InChI=1/C10H16O4S.H2O/c1-9(2)7-3-4-10(9,8(11)5-7)6-15(12,13)14;/h7H,3-6H2,1-2H3,(H,12,13,14);1H2
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We show that UV light (254 nm) treatment of polyaniline (PANI) films, containing camphorsulfonic acid (CSA) as a dopant and cast from formic acid, decreases the film resistance and keeps their improved resistance stable for at least 4 months. It has been found that due to the different origins of these electronic properties, the resistance and work function of the PANI·CSA films are affected differently by the UV treatment.
New cyclofructan-6 (CF6)-based chiral st...
![1,7,7-trimethyl-bicyclo[2.2.1]heptan-2-one](/upload/2024/9/76c45494-ea4e-4018-8fc2-5f6b8903f0ce.png)
1,7,7-trimethyl-bicyclo[2.2.1]heptan-2-one
camphor-10-sulfonic acid
| Conditions | Yield |
|---|---|
|
With sulfuric acid; acetic anhydride;
|
![7,7'-di-tert-butyl-5,5'-dimethyl-[3,3']bibenzofuranylidene-2,2'-dione](/upload/2024/9/68314e53-2bb8-4920-8407-e0534809633f.png)
7,7'-di-tert-butyl-5,5'-dimethyl-[3,3']bibenzofuranylidene-2,2'-dione
camphor-10-sulfonic acid
| Conditions | Yield |
|---|---|
|
|
38% |
1,7,7-trimethyl-bicyclo[2.2.1]heptan-2-one
brucine
10-camphorsufonic acid
camphor-10-sulfonic acid
(1S)-10-camphorsulfonic acid
(R)-10-camphorsulfonic acid
7,7-dimethyl-2,3-dioxo-bicyclo[2.2.1]heptane-4-methanesulfonic acid
8-[2,4-Bis(methoxymethoxy)phenyl]-1,4-dioxaspiro[4.5]dec-7-ene
