Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines...

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- 1 - Supporting Information Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions Yanqiu Li, a Bingchuan Yang, a Yan Sun, a Huayi Wang, a Huipeng Li, a Shuai Fang, a Xiaoyi Niu, a and Chen Ma a,b * a School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P R China b State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, P R China. E-mail: [email protected] Contents 1. Crystal data of compound 3b P2 2. 1 H NMR, 13 C NMR, and HRMS spectra data of the products P2-P27 Appendix Spectral Copies of 1 H NMR, 13 C NMR and HRMS of Compounds Obtained in this Study Electronic Supplementary Material (ESI) for RSC Advances This journal is © The Royal Society of Chemistry 2013

Transcript of Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines...

Page 1: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

- 1 -

Supporting Information

Metal-Free Tandem Cycloaddition Strategy for the Synthesis of

Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates

under Mild Conditions

Yanqiu Li,a Bingchuan Yang,a Yan Sun,a Huayi Wang,a Huipeng Li,a Shuai Fang,a Xiaoyi

Niu,a and Chen Maa,b*

aSchool of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P R China bState Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, P R China. E-mail: [email protected]

Contents 1. Crystal data of compound 3b P2 2. 1H NMR, 13C NMR, and HRMS spectra data of the products P2-P27

Appendix Spectral Copies of 1H NMR, 13C NMR and HRMS of Compounds Obtained in this Study

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 2: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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Table S1. Details of Crystal Structure Determination for 3b. Compound 3b

Chemical formula C22H21NO4

Formula Mass 363.40

Crystal system Triclinic

a/Å 7.5360(5)

b/Å 8.5400(6)

c/Å 15.3432(11)

α/° 74.7452(7)

β/° 77.1894(8)

γ/° 83.1256(8)

Unit cell volume/Å3 926.97(11)

Temperature/K 293(2)

Space group P1̄

No. of formula units per unit cell, Z 2

No. of reflections measured 10932

No. of independent reflections 4200

Rint 0.0205

Final R1 values (I > 2σ(I)) 0.0399

Final wR(F2) values (I > 2σ(I)) 0.0948

Final R1 values (all data) 0.0575

Final wR(F2) values (all data) 0.1048

NO

OO

O3a

NO

OO

O3a

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 3: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

OO

O3a

NO

OO

O3a

NO

OO

O3a

NO

OO

O3a

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 4: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO

3b

NO

O

OO

3b

NO

O

OO

3b

NO

O

OO

3b

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 5: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO

3b

NO

O

OO

3b

NO

O

OO

3c

NO

O

OO

3c

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 6: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO

3c

NO

O

OO

3c

NO

O

OO

3c

NO

O

OO

3c

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 7: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3d

NO

O

OO 3d

NO

O

OO 3d

NO

O

OO 3d

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 8: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3d

NO

O

OO 3d

NO

O

OO 3e

NO

O

OO 3e

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 9: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3e

NO

O

OO 3e

NO

O

OO 3e

NO

O

OO 3e

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 10: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3f

NO

O

OO 3f

NO

O

OO 3f

NO

O

OO 3f

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 11: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3f

NO

O

OO 3f

NO

O

OO 3g

NO

O

OO 3g

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 12: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3g

NO

O

OO 3g

NO

O

OO 3g

NO

O

OO 3g

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 13: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3h

NO

O

OO 3h

NO

O

OO 3h

NO

O

OO 3h

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 14: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3h

NO

O

OO 3h

NO

O

OO 3i

NO

O

OO 3i

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 15: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3i

NO

O

OO 3i

NO

O

OO 3i

NO

O

OO 3i

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 16: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO

Cl

3j

NO

O

OO

Cl

3j

NO

O

OO

Cl

3j

NO

O

OO

Cl

3j

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 17: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO

Cl

3j

NO

O

OO

Cl

3j

NO

O

OO 3k

NO

O

OO 3k

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 18: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3k

NO

O

OO 3k

NO

O

OO 3k

NO

O

OO 3k

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 19: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3l

NO

O

OO 3l

NO

O

OO 3l

NO

O

OO 3l

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 20: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3l

NO

O

OO 3l

NO

O

OO

3m

NO

O

OO

3m

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 21: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO

3m

NO

O

OO

3m

NO

O

OO

3m

NO

O

OO

3m

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 22: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3n

NO

O

OO 3n

NO

O

OO 3n

NO

O

OO 3n

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 23: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3n

NO

O

OO 3n

NO

O

OO 3o

NO

O

OO 3o

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 24: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3o

NO

O

OO 3o

NO

O

OO 3o

NO

O

OO 3o

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 25: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3p

NO

O

OO 3p

NO

O

OO 3p

NO

O

OO 3p

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 26: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

O

OO 3p

NO

O

OO 3p

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 27: Supporting Information · Metal-Free Tandem Cycloaddition Strategy for the Synthesis of Indolizines from Pyridine Derivatives and γ-Bromo-Crotonates under Mild Conditions . Yanqiu

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NO

OO

O3a

NO

OO

O3a

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013