Isotopically enriched N-substituted piperazines and methods for the preparation thereof
First Claim
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1. An isotopically enriched N-substituted piperazine compound of the formula:
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Abstract
In some embodiments, this invention pertains to isotopically enriched N-substituted piperazines. In some embodiments, this invention pertains to methods for the preparation of isotopically enriched N-substituted piperazines.
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22 Claims
- 1. An isotopically enriched N-substituted piperazine compound of the formula:
- 18. An isotopically enriched N-substituted piperazine compound of the formula:
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20. An isotopically enriched N-substituted piperazine compound of the formula:
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21. An isotopically enriched N-substituted piperazine compound of the formula:
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22. An isotopically enriched N-substituted piperazine compound of the formula:
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