See also: Vaccine Baccate Backcasting Baccalaureate Bacchanal Bacchanalia Bacchus Bacchanalian Baccarat Bacchant Bacco Baccy Bacchic Bacchanale Bacchante
1. Printed in Great Britain PII: S0040-4039(97)00591-1 0040-4039/97 $17.00 + 0.00 New 13-aza Baccatins Maria Menichincheri,* Emanuele Arlandini, Walter Ceccarelli, Maristella Colombo, Luigi Franzoi, Domenico Fusar-Bassini, Nicola Mongelli, Vittorio Pineiroli, Ermes Vanotti Research Laboratories, Pharmacia & Upjohn, viale Pasteur 10, 20014 Nerviano
Britain, Baccatins, Bassini
2. Paclitaxel, along with several key precursors (the Baccatins), occurs in the leaves of various Taxus species, and the ready semi-synthetic conversion of the relatively abundant Baccatins to paclitaxel, as well as active paclitaxel analogs, such as docetaxel) (Cragg and Newman, 2004), has provided a
Baccatins
3. (4S,5R)-N-BOC-2,2-dimethyl-4-phenyl-5-oxazolidinecarboxylic acid 8 was prepared and efficiently esterified by conveniently protected Baccatins 9a,b
Boc, By, Baccatins
4. Several key precursors (the Baccatins), occurs in the leaves of various Taxus species, and the ready semi-synthetic conversion of the relatively abundant Baccatins to paclitaxel, as well as active paclitaxel analogs, such as docetaxel (Taxotere®), has provided a major, renewable natural source of …
Baccatins
5. Paclitaxel, along with several key precursors (the Baccatins), occurs in the leaves of various Taxus species, and the ready semi-synthetic conversion of the relatively abundant Baccatins to paclitaxel, as well as active paclitaxel analogs, such as docetaxel (Taxotere®), has provided a …
Baccatins
6. Lin S, Geng X, Qu C et al (2000) Synthesis of highly potent second-generation taxoids through effective kinetic resolution coupling of racemic β-lactams with Baccatins
Baccatins
7. A major renewable natural source was made available to this important class of drugs through the semi-synthetic conversion of Baccatins to paclitaxel, and biologically active paclitaxel related analogs, such as docetaxel
Baccatins, Biologically
8. Together with other Baccatins, the natural product taxol is isolated at low level from needles, seeds, and bark of T
Baccatins, Bark
9. The 2,10-modified Baccatins 5 were synthesized starting from commercially available natural product, 10-deacetylbaccatin III (10-DAB), following the procedures previously reported by us with some modifications [ 20 ].
Baccatins, By
10. Method for separating and purifying 10-deacetyl Baccatins III (PAT - CN101045718) ZHU DEQUAN ZHANG
Baccatins
11. Paclitaxel biosynthesize and occurs in the leaves of various Taxus species, and the ready semi-synthetic conversion of the relatively abundant Baccatins to paclitaxel, as well as active paclitaxel analogs, such as docetaxel (Taxotere), has provided a major, renewable natural source of this important class of drugs
Biosynthesize, Baccatins
12. Precursors (the Baccatins), occurs in the leaves of various Taxus species, and the ready semi-synthetic conversion of the relatively abundant Baccatins to paclitaxel, as well as active paclitaxel analog, such as docetaxel (Taxotere®), has provided a major, renewable
Baccatins
13. A series of the second-generation taxoids 21 and 22 with C-3′-CF 2 H- and C-3′-CF 3 - groups, respectively, were synthesized from β-lactams 17 (Rf = CF 2 H or CF 3) and Baccatins 18 by means of the β-Lactam Synthon Method, 35 as shown in Scheme 6
Baccatins, By
14. We show preliminary data on an alternative in vitro biosynthetic method to convert the Baccatins to paclitaxel
Biosynthetic, Baccatins
15. Basically, the nucleus of the paclitaxel molecule (compounds called Baccatins) occurs about three times as often in the leaves or needles of the European yew and other yew species as does the whole molecule.
Basically, Baccatins
16. Precursors (the Baccatins), occurs in the leaves of various Taxus species, and the ready semi-synthetic conversion of the relatively abundant Baccatins to paclitaxel, as well as active paclitaxel analogs, such as docetaxel (Taxotere®), has provided a major, renewable natural source of this important class of drugs
Baccatins
17. 151 The ring-opening coupling reaction of β-lactam (+)-47 with Baccatins 43 (X = H, MeO, N 3 ) and the subsequent removal of the silyl protecting groups gave the corresponding 3
Baccatins
18. Paclitaxel, along with several key precursors (the Baccatins), occurs in the leaves of var- ious Taxus species, and the ready semisynthetic conversion of the relatively abundant Baccatins to pa- clitaxel, and active paclitaxel analogs, such as docetaxel [17], has provided a major, renewable natural
Baccatins
19. The base induced deprotonation of H-14 of 7-triethylsilyl- (7-TES-) and 7-tert-butoxycarbonyl- (7-BOC-) protected 13-oxo-Baccatins gave the corresponding enolates, which were selectively aminated with electrophilic nitrogen donors, such as azodicarboxylates and tosyl azide.
Base, Butoxycarbonyl, Boc, Baccatins
20. Synthesis of highly potent second‐generation taxoids through effective kinetic resolution coupling of racemic β‐lactams with Baccatins Songnian Lin Xudong Geng
Baccatins
21. The base induced deprotonation of H-14 of 7-triethylsilyl- (7-TES-) and 7-tert-butoxycarbonyl- (7-BOC-) protected 13-oxo-Baccatins gave the corresponding enolates, which were selectively aminated with electrophilic nitrogen donors, such as azodicarboxylates and tosyl azide.
Base, Butoxycarbonyl, Boc, Baccatins
22. • Discovery and kilo piloting of lanthanide catalysts for regioselective acylations of Baccatins
Baccatins
23. Baccatins the aromatic ring at the C-2 position
Baccatins
24. And the taxanes, paclitaxel and the Baccatins, shows that they possess a diterpenoid moiety with many features in common, but their biological effects derive primarily from the substituents ‘‘decorating’’ this core
Baccatins, But, Biological
25. Synthesis of novel 3′‐trifluoromethyl taxoids through effective kinetic resolution of racemic 4‐CF 3 ‐β‐lactams with Baccatins Iwao Ojima; John C
Baccatins
26. This strategy allows for the synthesis of Baccatins I (R = H, acetyl) starting from taxane precursor II [R1 = Si(CHMe2)3], which is available starting from (+)-verbenone
Baccatins
27. Baccatins, one of the several key precursors of paclitaxel occurs in the leaves of various Taxus species
Baccatins
28. Its native and semi-synthetic form of Baccatins along with docetaxel (Taxotere®), paclitaxel analogs, stands as a major class of anticancer drugs
Baccatins
29. (Baccatins) which could be converted semi-synthetically into the drug or other active analogs
Baccatins, Be
30. Topics: 10-DAB III, 13-Oxo-Baccatins, 14β-Amino taxanes, Electrophilic amination, Silyl enol ethers, Settore CHIM/06 - Chimica Organica Publisher: Pergamon Elsevier Science Year: 2005
Baccatins
31. Species, and the semisynthetic conversion of Baccatins to paclitaxel, its analogs, has provided a major source of this class of drugs [40]
Baccatins
32. Synthesis of highly potent second-generation taxoids through effective kinetic resolution coupling of racemic beta-lactams with Baccatins
Beta, Baccatins
33. Syntheses of 3'-CF3-taxoids 7 through the coupling of [~-lactams 5 with Baccatins 6
Baccatins
34. Synthesis of modified Baccatins via an oxidation-reduction protocol Tetrahedron Letters
Baccatins
BACCATINS