[go: up one dir, main page]

Salunke et al., 2005 - Google Patents

An efficient method for the synthesis of methyl 11α-amino-3α, 7α-diacetoxy-12-oxo-5β-cholan-24-oate

Salunke et al., 2005

Document ID
11470121499161868929
Author
Salunke D
Hazra B
Gonnade R
Bhadbhade M
Pore V
Publication year
Publication venue
Tetrahedron

External Links

Snippet

The synthesis of methyl 11α-azido-3α, 7α-diacetoxy-12-oxo-5β-cholan-24-oate, methyl 11β- azido-3α, 7α-diacetoxy-12-oxo-5β-cholan-24-oate and methyl 11α-amino-3α, 7α-diacetoxy- 12-oxo-5β-cholan-24-oate have been achieved. Mechanistic aspects for the decomposition …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J71/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • C07J71/0036Nitrogen-containing hetero ring
    • C07J71/0042Nitrogen only
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J71/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • C07J71/0005Oxygen-containing hetero ring
    • C07J71/001Oxiranes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J41/00Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
    • C07J41/0033Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
    • C07J41/0066Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 the 17-beta position being substituted by a carbon atom forming part of an amide group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J9/00Normal 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
    • C07J9/005Normal 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 containing a carboxylic function directly attached or attached by a chain containing only carbon atoms to the cyclopenta[a]hydrophenanthrene skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J13/00Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J17/00Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J1/00Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0003Androstane derivatives
    • C07J1/0018Androstane derivatives substituted in position 17 beta, not substituted in position 17 alfa
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J7/00Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
    • C07J7/0005Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
    • C07J7/001Normal 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
    • C07J7/0015Normal 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J31/00Normal steroids containing one or more sulfur atoms not belonging to a hetero ring
    • C07J31/006Normal steroids containing one or more sulfur atoms not belonging to a hetero ring not covered by C07J31/003
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J75/00Processes for the preparation of steroids in general
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J5/00Normal 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J63/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J21/00Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J43/00Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids

Similar Documents

Publication Publication Date Title
Barthel et al. Oxidative transformations of betulinol
Bydal et al. Inhibition of type 2 17β-hydroxysteroid dehydrogenase by estradiol derivatives bearing a lactone on the D-ring: structure–activity relationships
Yu et al. Facile synthesis of novel D-ring modified steroidal dienamides via rearrangement of 2H-pyrans
Shigehisa et al. The first total synthesis of (±)-annosqualine by means of oxidative enamide–phenol coupling: pronounced effect of phenoxide formation on the phenol oxidation mechanism
Salunke et al. An efficient method for the synthesis of methyl 11α-amino-3α, 7α-diacetoxy-12-oxo-5β-cholan-24-oate
Zhou et al. A stereoselective synthesis of squalamine
Kiss et al. Stereocontrolled synthesis of the four possible 3-methoxy and 3-benzyloxy-16-triazolyl-methyl-estra-17-ol hybrids and their antiproliferative activities
Tsubuki et al. A facile construction of withanolide side chains: synthesis of minabeolide-3
Kokke et al. Isolation, structure elucidation and partial synthesis of xestosterol, biosynthetically significant sterol from the sponge Xestospongia muta
Morris et al. Structure and synthesis of 25-hydroxycholecalciferol-26, 23-lactone, a metabolite of vitamin D
Oumzil et al. First total synthesis of (±)-3-aza-11-oxa-1, 3, 5 (10)-trieno steroids
Yamamoto et al. Synthesis of 26, 27-bisnorcastasterone analogs and analysis of conformation–activity relationship for brassinolide-like activity
Savchenko et al. Synthesis of 7, 8α-dihydro-14α-deoxyecdysteroids
Lu et al. Synthesis of polyhydroxysterols (V): efficient and stereospecific synthesis of 24-methylene-cholest-5-ene-3β, 7α-diol and its C-7 epimer
Singh et al. Molecular complexity from aromatics: synthesis and photoreaction of endo-tricyclo [5.2. 2.02, 6] undecanes. Formal total syntheses of (±)-coriolin
Qin et al. A highly efficient synthesis of 22-deoxy-OSW-1 by utilizing the intact skeleton of diosgenin
Cui et al. Synthesis of polyhydroxysterols (III): synthesis and structural elucidation of 24-methylenecholest-4-en-3β, 6α-diol
Magyar et al. Synthesis of novel steroid-tetrahydroquinoline hybrid molecules and D-homosteroids by intramolecular cyclization reactions
Chen et al. An effective synthesis of ursodeoxycholic acid from dehydroepiandrosterone
Kotha et al. Synthesis of benzocycloheptene-based amino acid derivatives via a [4+ 2] cycloaddition reaction as a key step
Chorvat et al. Facile synthesis of 3. beta.-hydroxy-5. alpha.-cholest-8 (14)-en-15-one 3-acetate
Wang et al. The regio-and stereo-selective reduction of steroidal 4-en-3-ones using Na2S2O4/NaHCO3 and CuCl/NaBH4
Jiang et al. Stereoselective synthesis of Certonardolsterol D3
Homvisasevongsa et al. Stereoselective synthesis and moulting activity of 2, 3-diepi-20-hydroxyecdysone and 2, 3-diepi-5α-20-hydroxyecdysone
Chowdhury et al. A simple efficient process for the synthesis of 16-dehydropregnenolone acetate (16-DPA)–a key steroid drug intermediate from diosgenin