Camoutsis et al., 1988 - Google Patents
Formation of bishomoazasteroids by the beckmann rearrangementCamoutsis et al., 1988
- Document ID
- 9027398837515995134
- Author
- Camoutsis C
- Catsoulacos P
- Publication year
- Publication venue
- Journal of heterocyclic chemistry
External Links
Snippet
Beckmann rearrangement of the geometrical isomer of 5α‐androstanolone oximes gives the 3‐aza‐17β‐hydroxy‐A‐homo‐5α‐androstan‐4‐one and the 4‐aza‐17β‐hydroxy‐A‐homo‐ 5α‐androstan‐3‐one. These lactams were converted to the corresponding ketones by Jones …
- 238000006237 Beckmann rearrangement reaction 0 title abstract description 10
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
- C07J71/0005—Oxygen-containing hetero ring
- C07J71/001—Oxiranes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
- C07J7/0005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
- C07J7/001—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group
- C07J7/0015—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group not substituted in position 17 alfa
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
- C07J71/0036—Nitrogen-containing hetero ring
- C07J71/0042—Nitrogen only
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0005—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring the nitrogen atom being directly linked to the cyclopenta(a)hydro phenanthrene skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
- C07J1/0051—Estrane derivatives
- C07J1/0081—Substituted in position 17 alfa and 17 beta
- C07J1/0088—Substituted in position 17 alfa and 17 beta the substituent in position 17 alfa being an unsaturated hydrocarbon group
- C07J1/0096—Alkynyl derivatives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J43/00—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
- C07J43/003—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton not condensed
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J13/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
- C07J21/005—Ketals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J17/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J75/00—Processes for the preparation of steroids in general
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
- C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
- C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6069096A (en) | Novel steroid | |
EP0349481A1 (en) | 13-Alkyl-11-beta-phenyl gonanes | |
WO1996038464A1 (en) | Antimicrobial sterol conjugates | |
JP2612123B2 (en) | Method for producing steroidal glycoside | |
Camoutsis et al. | Formation of bishomoazasteroids by the beckmann rearrangement | |
Eriksson et al. | Studies on the structure, biosynthesis and bacterial metabolism of 15‐hydroxylated steroids in the female rat | |
EP0538312A1 (en) | Anti-androgenic [3,2-d]triazole steroids | |
WO1993013122A1 (en) | 3-methylsulphonylhydrazono and 3-oxyimino steroids, a method of preparing them, pharmaceutical preparations containing them and their use in the preparation of drugs | |
Morrow et al. | The Synthesis, Properties, and Some Reactions of Steroidal D-Homo α-Amino Ketones | |
SONODA et al. | A simplified synthesis of 32-oxygenated lanosterol derivatives | |
Hirschmann et al. | A SYNTHESIS OF 16α-HYDROXY-20-KETOSTEROIDS AND THEIR CORRELATION WITH OTHER RING D SUBSTITUTED STEROIDS. THE CONFIGURATION OF THE SAPOGENIN SIDE CHAIN1, 2 | |
Gomez-Sanchez et al. | 18-substituted steroids: Synthesis of 18-hydroxycortisol (11β, 17α, 18, 21-tetrahydroxy-4-pregnene-3, 20-dione) and 18-hydroxycortisone (17α, 18, 21-trihydroxy-4-pregnene-3, 11, 20-trione) | |
Pettit et al. | Steroids and related natural products. 67. Bufadienolides. 14. Synthesis of bufotalien, 15. alpha.-hydroxybufalin, and resibufogenin | |
Rao et al. | Synthesis of 5α-androstane-3α, 17β-diol 3-and 17-glucuronides | |
Peters et al. | Steroidal silicon side-chain analogs as potential antifertility agents | |
Chheda et al. | Aminoacyl nucleosides. V. Mechanism of the rearrangement of N6-(. alpha.-aminoacyl) adenines into N-(6-purinyl) amino acids | |
Solo et al. | Ring-D-Bridged Steroid Analogs. II. 1 14α, 17α-Etheno-16α-carbomethoxypregn-4-ene-3, 20-dione2 | |
Child et al. | Preparation and mass spectral behaviour of some 5β-cholenoic acids | |
Farkas et al. | Preparation and chemistry of 9. beta.-estr-4-en-3-ones | |
US3351639A (en) | 17-alkyl-20-keto substituted pregnenes, pregnadienes and methods of preparing the same | |
Nikolaropoulos et al. | Formation of acetamido‐Aza‐steroids | |
Saatov et al. | Phytoecdysteroids of plants of the genus Silene. XI. 2-Deoxy-α-ecdysone 3-acetate from Silene scabrifolia | |
Kubota et al. | Studies on A-Norsteroids. I. Synthesis of A-Nor-Δ3 (5)-1, 2-dioxo Steroids | |
Sato et al. | Chemistry of the Spiroaminoketal Side Chain of Solasodine and Tomatidine. IV. 1 Chemistry of the Tomatidine Side Chain | |
Fahrenholtz et al. | Steroidal imidazole-1-carboxylic acid esters |