HPLC method for purifying organic compounds
First Claim
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1. A method for purifying and/or characterizing one or more organic compounds, comprising the steps of:
- a) selecting a library of compounds to be purified b) performing a TLC and/or an analytical HPLC on a representative sample of the library, which sample comprises less than ten percent of the library, c) determining a correlated preparative HPLC method depending on how the representative sample elutes off the analytical HPLC column and/or the sample moves on a TLC plate, and d) purifying all or substantially all of the library, wherein the correlated preparative HPLC method is determined based on a correlation between three or more zones of retention times if analytical HPLC is performed and/or three or more zones of retention factors if TLC is performed, such that if substantially all of the compounds in the representative sample fall within a particular zone, a correlated preparative HPLC protocol can be used to purify compounds that fall within the zone.
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Abstract
An HPLC method which purifies and/or characterizes large numbers of related compounds, for example, those prepared for use in combinatorial libraries, is disclosed. The compounds are purified on a semi-preparative or preparative scale, enabling rapid preparation of combinatorial libraries with minimal operator involvement, and, preferably, with a purity greater than about 90%.
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Citations
13 Claims
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1. A method for purifying and/or characterizing one or more organic compounds, comprising the steps of:
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a) selecting a library of compounds to be purified b) performing a TLC and/or an analytical HPLC on a representative sample of the library, which sample comprises less than ten percent of the library, c) determining a correlated preparative HPLC method depending on how the representative sample elutes off the analytical HPLC column and/or the sample moves on a TLC plate, and d) purifying all or substantially all of the library, wherein the correlated preparative HPLC method is determined based on a correlation between three or more zones of retention times if analytical HPLC is performed and/or three or more zones of retention factors if TLC is performed, such that if substantially all of the compounds in the representative sample fall within a particular zone, a correlated preparative HPLC protocol can be used to purify compounds that fall within the zone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification