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Volumn 31, Issue 24, 1990, Pages 3381-3384

Diels-alder reactions: Rate acceleration promoted by a biphenylenediol

Author keywords

[No Author keywords available]

Indexed keywords

ALDEHYDE; KETONE;

ARTICLE; NONHUMAN; PRIORITY JOURNAL; REACTION ANALYSIS; SYNTHESIS;

BETULACEAE;

EID: 0025281206 PISSN: 00404039 EISSN: None Source Type: Journal
DOI: 10.1016/S0040-4039(00)97402-1 Document Type: Article

Times cited : (159)

References (30)

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- 5 for Diels-Alder reactions conducted in water and in the presence of cyclodextrins that are attributed to hydrophobic effects may be at least partially due to hydrogen bonding.

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- Int. Ed. Engl., in press (we thank Prof. Schreiber for a preprint)
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20
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- 3) data for new compounds. 11: 87–88°C, δ 4.42–4.56 (m, 4H), 5.05–5.20 (m, 4H), 5.78–5.96 (m, 2H), 6.92 (dd, J=1.6 & 8.0 Hz, 2H), 7.05 (t, J=8.0 Hz, 2H), 7.54 (dd, J=1.6 & 8.0 Hz, 2H); 12: 103–104°C, δ 3.44 (bd, J=4.8 Hz, 4H), 4.86 (s, 2H), 5.08–5.25 (m, 4H), 5.90–6.16 (m, 2H), 7.00 (d, J=8.0 Hz, 2H), 7.53 (d, J=8.0 Hz, 2H); 13: δ 0.98 (t, J=6.0 Hz, 6H), 1.58–1.78 (m, 4H), 2.50–2.72 (m, 4H), 4.73 (s, 2H), 7.00 (d, J=8.0 Hz, 2H), 7.50 (d, J=8.0 Hz, 2H); 14:δ 1.00 (t, J=6.0 Hz, 6H), 1.50–1.90 (m, 4H), 2.50–2.85 (m, 4H), 5.45 (bs, 2H), 7.90 (s, 2H); 15: 104–105°C, δ 0.86 (t, J=6.0 Hz, 6H), 1.45–1.64 (m, 4H), 2.44–2.68 (m, 4H), 4.65 (d, J=12.0 Hz, 2H), 4.80 (d, J=12.0 Hz, 2H), 6.88–6.97 (m, 4H), 7.15–7.24 (m, 6H), 7.65 (s, 2H); 16: [[Truncated]]

21
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28
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29
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30
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