✦ LIBER ✦

Total assignment of 1H and 13C NMR spectra of pregnenolone and progesterone haptens using 2D NMR spectroscopy

✍ Scribed by Shilpa S. Korde; Rita Katoch; Reshma A. Udasi; Girish K. Trivedi

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 48 KB
Volume: 37
Category: Article
ISSN: 0749-1581
DOI: 10.1002/(sici)1097-458x(199908)37:8<594::aid-mrc484>3.0.co;2-j

No coin nor oath required. For personal study only.

✦ Synopsis

The complete assignments of 1 H and 13 C signals of 19 pregnenolone and progesterone haptens were accomplished using twodimensional NMR techniques.

📜 SIMILAR VOLUMES

Total assignment of 1H and 13C NMR spect

Total assignment of 1H and 13C NMR spectra of two isomeric triterpenoids

✍ F. J. Q. Monte; J. P. Kintzinger; R. Braz-Filho 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 204 KB 👁 2 views

The complete 1H and 13C assignment of two closely related isomeric triterpenoid derivatives (methyl 2a,3b-di-Oacetylolean-12-en-28-oate and methyl 2a,3a-di-O-acetylurs-12-en-28-oate) is described. In addition to 1D NMR methods, 2D shift-correlated NMR techniques (COSY, NOESY, HMBC and HMQC) were use

Total assignment of 1H and 13C NMR spect

Total assignment of 1H and 13C NMR spectra of tectol and tecomaquinone I

✍ Telma L. G. Lemos; Sonia M. O. Costa; Otilia D. L. Pessoa; R. Braz-Filho 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 52 KB 👁 2 views

Conventional one-dimensional NMR methods and two-dimensional shift-correlated NMR experiments (COSY, HMQC, HMBC) were used for 1 H and 13 C chemical shift assignments of two naphthoquinone dimers tectol and tecomaquinone I isolated from Lippia sidoides.

Complete assignment of 1H and 13C NMR sp

Complete assignment of 1H and 13C NMR spectra of vinflunine

✍ Jean-Paul Ribet; Pascal Zalavari; Jacques Fahy; Alain Duflos; Thierry Beltran 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 208 KB 👁 2 views

Total Assignment of the 1H and 13C NMR C

Total Assignment of the 1H and 13C NMR Chemical Shifts of Three Bisabolane Hydrocarbons by 2D-NMR Spectroscopy

✍ Lai-King Sy; Geoffrey D. Brown 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 151 KB 👁 2 views

Three known bisabolane hydrocarbons, a-trans -bergamotene, sesquiphellandrene and zingiberene, were isolated from the aerial parts of Alpinia densibracteata . Their 1H and 13C NMR spectra were completely assigned by using a combination of 13C DEPT and 2D-NMR experiments (1H-1H COSY, single-bond 13C-

Total assignment of 1H and 13C NMR spect

Total assignment of 1H and 13C NMR spectra of two isomeric cucurbitane triterpenoids

✍ F. J. Q. Monte; S. M. A. Papa; J. P. Kintzinger; R. Braz-Filho 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 55 KB 👁 1 views

The complete 1 H and 13 C chemical shift assignment of two closely related isomeric triterpenoids, 3˛,16˛,20(R),25-tetrahydroxy-2,11,22-trioxocucurbita-5,23(E)-diene and 3ˇ,16˛,20(R)-trihydroxy-25-acetoxy-2,11,22trioxocucurbita-5,23(E)-diene, making use of one-and two-dimensional NMR techniques (HMB

Revised Assignments of the 13C NMR Spect

Revised Assignments of the 13C NMR Spectra of Grossularine-1 and -2 Using 2D Heteronuclear 1H–13C Correlations

✍ Ali Loukaci; Michèle Guyot 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 198 KB 👁 1 views

## One-bond and long-range two-dimensional 'H-I'C NMR experiments allow the unequivocal assignment of 13C and 'H spectra. On this basis, previous assignments of 13C signals of grossularine-1 and -2 have been revised.