A surface adlayer is generated on organic single crystals (tetracene and rubrene) using the site specific Diels-Alder reaction and a series of vapor phase dienophiles. X-ray photoelectron spectroscopy (XPS) confirms adsorption on the surfaces of tetracene and rubrene and mass spectrometry demonstrates the reaction's applicability to a range of dienophiles.
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Qualizza et al. (2013) studied this question.
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