| 11. | One example is acetic anhydride, used to process morphine into heroin.
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| 12. | Esters and anhydrides also react with ammonia to form amides.
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| 13. | Acetic anhydride is produced by the reaction of acetic acid with ketene.
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| 14. | The oxide is formally the inorganic anhydride of vanadic acid.
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| 15. | Phthalic anhydride is a principal commercial form of phthalic acid.
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| 16. | Hypochlorous acid also exists in equilibrium with its anhydride; dichlorine monoxide.
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| 17. | Reaction of the anhydride with the diamine produces an intermediate amic acid.
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| 18. | Maleic anhydride is the precursor to various resins by copolymerization with styrene.
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| 19. | IBX was then acylated using acetic acid and acetic anhydride.
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| 20. | In most cases, such anhydrides are oxides of nonmetals.
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