Copper(I)‐Catalyzed Highly Enantioselective [3+3]‐Cycloaddition of β‐Aryl/Alkyl Vinyl Diazoacetates with Nitrones
- Award ID(s):
- 2054845
- PAR ID:
- 10331019
- Date Published:
- Journal Name:
- Helvetica Chimica Acta
- Volume:
- 104
- Issue:
- 7
- ISSN:
- 0018-019X
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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null (Ed.)The crystal structure of the product of the neutralization reaction between 3-nitrobenzoic acid and pyridine is reported. The entities that crystallized are a pyridinium cation, a 3-nitrobenzoate anion and a 3-nitrobenzoic acid molecule in a 1:1:1 molar ratio, C 5 H 6 N + ·C 7 H 4 NO 4 − ·C 7 H 5 NO 4 . Distinct sets of hydrogen bonds link the pyridinium and benzoate ions (N—H...O) and the acid and benzoate moieties (O—H...O). The hydrogen bonding along with π–π stacking between the acid and benzoate moieties accounts for the long-range ordering of the crystal.more » « less
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