306
J. C. Pardo-Novoa and C. M. Cerda-García-Rojas
28. Reddy DS, Kutateladze AG (2016) Structure revision of an acorane sesquiterpene cordycepol
A. Org Lett 18:4860
29. Cerda-García-Rojas CM, Coronel AC, de Lampasona MEP, Catalán CAN, Joseph-Nathan P
(2005) Absolute configuration of lippifoliane and africanane derivatives. J Nat Prod 68:659
30. Hölte HD, Folkerts G (1996) Molecular modeling: basic principles and applications. In:
Mannfold R, Kubinyi H, Timmermann H (eds) Methods and principles of medicinal chemistry,
vol 5, VCH, Weinheim
31. Cerda-García-Rojas CM, Zepeda LG, Joseph-Nathan P (1990) A PC program for calculation
of dihedral angles from 1 H NMR data. Tetrahedron Comput Methodol 3:113
32. Torres-Valencia JM, Meléndez-Rodríguez M, Álvarez-García R, Cerda-García-Rojas CM,
Joseph-Nathan P (2004) DFT and NMR parameterized conformation of valeranone. Magn
Reson Chem 42:898
33. Cerda-García-Rojas CM, Bucio MA, Román LU, Hernández JD, Joseph-Nathan P (2004)
Preparation of moreliane-derived volatile sesquiterpenes. J Nat Prod 67:189
34. Cerda-García-Rojas CM, Guerra-Ramírez D, Román-Marín LU, Hernández-Hernández JD,
Joseph-Nathan P (2006) DFT molecular modeling and NMR conformational analysis of a
new longipinenetriolone diester. J Mol Struct 789:37
35. Molina JR, Finetti M, Díaz OJ, de la Fuente JR, Jubert A (2008) Vibrational and theoretical
studies of a sesquiterpene lactone, 11αH-dihydrozaluzanin E. J Mol Struct 875:493
36. Pérez-Hernández N, Gordillo-Román B, Arrieta-Báez D, Cerda-García-Rojas CM, JosephNathan P (2017) Complete 1 H NMR assignment of cedranolides. Magn Reson Chem 55:169
37. Phansalkar RS, Simmler C, Bisson J, Chen SN, Lankin DC, McAlpine JB, Niemitz M,
Pauli GF (2017) Evolution of quantitative measures in NMR: quantum mechanical qHNMR
advances chemical standardization of a red clover (Trifolium pratense) extract. J Nat Prod
80:634
38. Gil RR, Gayathri C, Tsarevsky NV, Matyjaszewski K (2008) Stretched poly(methyl methacrylate) gel aligns small organic molecules in chloroform. Stereochemical analysis and
diastereotopic proton NMR assignment in ludartin using residual dipolar couplings and 3 J
coupling constant analysis. J Org Chem 73:840
39. Castro SJ, García ME, Padrón JM, Navarro-Vázquez A, Gil RR, Nicotra VE (2018) Phytochemical study of Senecio volckmannii assisted by CASE-3D with residual dipolar couplings
and isotropic 1 H/ 13 C NMR chemical shifts. J Nat Prod 81:2329
40. Wu Q, Ye F, Li XL, Liang LF, Sun J, Sun H, Guo YW, Wang H (2019) Uncommon polyoxygenated sesquiterpenoids from South China sea soft coral Lemnalia flava. J Org Chem
84:3083
41. Enthart A, Freudenberger JC, Furrer J, Kessler H, Luy B (2008) The CLIP/CLAP-HSQC:
pure absorptive spectra for the measurement of one-bond couplings. J Magn Reson 192:314
42. Navarro-Vázquez A (2012) MSpin-RDC. A program for the use of residual dipolar couplings
for structure elucidation of small molecules. Magn Reson Chem 50:S73
43. Dale JA, Mosher HS (1973) Nuclear magnetic resonance enantiomer reagents. Configurational
correlations via nuclear magnetic resonance chemical shifts of diastereomeric mandelate,
O-methylmandelate, and α-methoxy-α-trifluoromethyl-phenylacetate (MTPA) esters. J Am
Chem Soc 95:512
44. Sullivan GR, Dale JA, Mosher HS (1973) Correlation of configuration and 19 F chemical shifts
of α-methoxy-α-trifluoromethylphenylacetate derivatives. J Org Chem 38:2143
45. Su BN, Park EJ, Mbwambo ZH, Santarsiero BD, Mesecar AD, Fong HH, Pezzuto JM,
Kinghorn AD (2002) New chemical constituents of Euphorbia quinquecostata and absolute configuration assignment by a convenient Mosher ester procedure carried out in NMR
tubes. J Nat Prod 65:1278
46. Catalán CAN, Cuenca MR, Hernández LR, Joseph-Nathan P (2003) cis,cis-Germacronolides
and melampolides from Mikania thapsoides. J Nat Prod 66:949
47. Gu JQ, Wang Y, Franzblau SG, Montenegro G, Timmermann BN (2004) Constituents of
Senecio chionophilus with potential antitubercular activity. J Nat Prod 67:1483
J. C. Pardo-Novoa and C. M. Cerda-García-Rojas
28. Reddy DS, Kutateladze AG (2016) Structure revision of an acorane sesquiterpene cordycepol
A. Org Lett 18:4860
29. Cerda-García-Rojas CM, Coronel AC, de Lampasona MEP, Catalán CAN, Joseph-Nathan P
(2005) Absolute configuration of lippifoliane and africanane derivatives. J Nat Prod 68:659
30. Hölte HD, Folkerts G (1996) Molecular modeling: basic principles and applications. In:
Mannfold R, Kubinyi H, Timmermann H (eds) Methods and principles of medicinal chemistry,
vol 5, VCH, Weinheim
31. Cerda-García-Rojas CM, Zepeda LG, Joseph-Nathan P (1990) A PC program for calculation
of dihedral angles from 1 H NMR data. Tetrahedron Comput Methodol 3:113
32. Torres-Valencia JM, Meléndez-Rodríguez M, Álvarez-García R, Cerda-García-Rojas CM,
Joseph-Nathan P (2004) DFT and NMR parameterized conformation of valeranone. Magn
Reson Chem 42:898
33. Cerda-García-Rojas CM, Bucio MA, Román LU, Hernández JD, Joseph-Nathan P (2004)
Preparation of moreliane-derived volatile sesquiterpenes. J Nat Prod 67:189
34. Cerda-García-Rojas CM, Guerra-Ramírez D, Román-Marín LU, Hernández-Hernández JD,
Joseph-Nathan P (2006) DFT molecular modeling and NMR conformational analysis of a
new longipinenetriolone diester. J Mol Struct 789:37
35. Molina JR, Finetti M, Díaz OJ, de la Fuente JR, Jubert A (2008) Vibrational and theoretical
studies of a sesquiterpene lactone, 11αH-dihydrozaluzanin E. J Mol Struct 875:493
36. Pérez-Hernández N, Gordillo-Román B, Arrieta-Báez D, Cerda-García-Rojas CM, JosephNathan P (2017) Complete 1 H NMR assignment of cedranolides. Magn Reson Chem 55:169
37. Phansalkar RS, Simmler C, Bisson J, Chen SN, Lankin DC, McAlpine JB, Niemitz M,
Pauli GF (2017) Evolution of quantitative measures in NMR: quantum mechanical qHNMR
advances chemical standardization of a red clover (Trifolium pratense) extract. J Nat Prod
80:634
38. Gil RR, Gayathri C, Tsarevsky NV, Matyjaszewski K (2008) Stretched poly(methyl methacrylate) gel aligns small organic molecules in chloroform. Stereochemical analysis and
diastereotopic proton NMR assignment in ludartin using residual dipolar couplings and 3 J
coupling constant analysis. J Org Chem 73:840
39. Castro SJ, García ME, Padrón JM, Navarro-Vázquez A, Gil RR, Nicotra VE (2018) Phytochemical study of Senecio volckmannii assisted by CASE-3D with residual dipolar couplings
and isotropic 1 H/ 13 C NMR chemical shifts. J Nat Prod 81:2329
40. Wu Q, Ye F, Li XL, Liang LF, Sun J, Sun H, Guo YW, Wang H (2019) Uncommon polyoxygenated sesquiterpenoids from South China sea soft coral Lemnalia flava. J Org Chem
84:3083
41. Enthart A, Freudenberger JC, Furrer J, Kessler H, Luy B (2008) The CLIP/CLAP-HSQC:
pure absorptive spectra for the measurement of one-bond couplings. J Magn Reson 192:314
42. Navarro-Vázquez A (2012) MSpin-RDC. A program for the use of residual dipolar couplings
for structure elucidation of small molecules. Magn Reson Chem 50:S73
43. Dale JA, Mosher HS (1973) Nuclear magnetic resonance enantiomer reagents. Configurational
correlations via nuclear magnetic resonance chemical shifts of diastereomeric mandelate,
O-methylmandelate, and α-methoxy-α-trifluoromethyl-phenylacetate (MTPA) esters. J Am
Chem Soc 95:512
44. Sullivan GR, Dale JA, Mosher HS (1973) Correlation of configuration and 19 F chemical shifts
of α-methoxy-α-trifluoromethylphenylacetate derivatives. J Org Chem 38:2143
45. Su BN, Park EJ, Mbwambo ZH, Santarsiero BD, Mesecar AD, Fong HH, Pezzuto JM,
Kinghorn AD (2002) New chemical constituents of Euphorbia quinquecostata and absolute configuration assignment by a convenient Mosher ester procedure carried out in NMR
tubes. J Nat Prod 65:1278
46. Catalán CAN, Cuenca MR, Hernández LR, Joseph-Nathan P (2003) cis,cis-Germacronolides
and melampolides from Mikania thapsoides. J Nat Prod 66:949
47. Gu JQ, Wang Y, Franzblau SG, Montenegro G, Timmermann BN (2004) Constituents of
Senecio chionophilus with potential antitubercular activity. J Nat Prod 67:1483