PAPER
Reduction of Carboxylic Acids Using Esters of Benzotriazole
1381
13C NMR (CDCl3): d = 67.4, 42.2, 29.2, 25.6.
MS (EI): m/z = 100.
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[(R)-4-(Prop-1-en-2-yl)cyclohex-1-enyl]methanol (7i)
[CAS Reg. No. 57717-97-2]
1H NMR (CDCl3): d = 5.70 (m, 1 H), 4.73 (m, 2 H), 4.01 (m, 2 H),
2.15 (m, 4 H), 2.10 (br s, 1 H), 1.97 (m, 1 H), 1.87 (m, 1 H), 1.73
(m, 4 H).
13C NMR (CDCl3): d = 148.9, 136.4, 121.6, 107.8, 66.4, 40.2, 29.5,
26.6, 25.2, 19.9.
MS (EI): m/z = 152.
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3-Phenylprop-2-yn-1-ol (7j)
[CAS Reg. No. 1504-58-1]
1H NMR (CDCl3): d = 7.45–7.43 (m, 2 H), 7.33–7.30 (m, 3 H), 4.50
(s, 2 H), 1.69 (s, 1 H).
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13C NMR (CDCl3): d = 131.5, 128.3, 128.2, 122.5, 87.3, 85.3, 51.2.
MS (EI): m/z = 132.
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Acknowledgment
Support for this research has been provided by the Programa de
Apoyo a Proyectos de Investigación e Inovación Tecnológica
(PAPIIT-UNAM, Project No IN207602-3). We wish to thank
Alejandrina Acosta and Gabriela Salcedo, for their technical assi-
stance.
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Synthesis 2011, No. 9, 1375–1382 © Thieme Stuttgart · New York