P. Pongrácz and L. Kollár
Vol 000
and dissolution of the salt in water, the diol was
extracted with diethyl ether. The solution was dried
on Na SO , filtered, and distilled under reduced
pressure. The corresponding diols (1a or 3a) were
collected as colorless liquids.
Acknowledgments. The authors thank the Hungarian Scientific
Research Fund (K113177) for the financial support. The present
scientific contribution is dedicated to the 650th anniversary of
the foundation of the University of Pécs, Hungary.
2
4
Characterization of the products
(R)-(+)-4-Vinyl-1,3-dioxolan-2-one (1) [40]: colorless
REFERENCES AND NOTES
viscous liquid; δ (500 MHz, CDCl ) 5.92 (1H, ddd, 7.5Hz,
H
3
[
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(
1
1 H, t, 8.0 Hz, OCH H ); δ (125.7 MHz, CDCl ) 154.8,
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b
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3
[
À1
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0
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1
9
(
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b
C
3
[
À1
54.8, 76.0, 69.4, 38.8, 26.3. IR (KBr (cm )): 1722
(
(
(
CHO); 1795 (CO). MS m/z (rel int. %): 116 (45), 101
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3
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3
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5.0Hz, CH H CH ), 1.78 (1 H, qd, 7.2Hz, 15.0Hz,
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CH H CH ), 1.05 (1 H, t, 7.4Hz, CH ); δ (125.7 MHz,
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(
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1
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2
0
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(
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a
b
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2
3
3
C
(
(
(
125.7 MHz, D O) 73.7, 66.3, 26.0, 10.0; IR (KBr
cm )) 3375. MS m/z (rel int. %): 73 (2), 61 (21), 59
2
À1
2
0
100), 45 (31), 43 (21), 41 (23), 31 (56). [α]D
=
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Journal of Heterocyclic Chemistry
DOI 10.1002/jhet