PROCESS OF OBTAINING 2,6- DICHLOR-9-(2,3,5-TRI-O-ACETYL-β-D-RIBOFURANOZYL) PURINE Russian patent published in 2008 - IPC C07H19/167 

Abstract RU 2324699 C1

FIELD: chemistry.

SUBSTANCE: invention applied for relates to process of obtaining 2,6- dichlor-9-(2,3,5-tru-O-acetyl-β-D-ribofuranozyl) purine and may be used in organic chemistry and pharmaceutical industry. The process involves conduction of 2,6- dichlor-9-(2,3,5-tru-O-acetyl-β-D-ribofuranozyl) purine with tret-butyl nitrite in the methylene chloride medium at (-18)-(-22)°C during 2 hours in presence of pyridine hydrochloride and phosphorus oxychloride followed by decomposing the reaction mixture with chipped ice, and cleansing of the target product in methylene chloride with flash-chromatography on silica gel.

EFFECT: obtaining of substance with high grade of purity and high output by simplified technology.

1 ex

Similar patents RU2324699C1

Title Year Author Number
METHOD OF 2',3',5',-TRI-O-ACETYL-2-PHTORADENOZINE PRODUCTION 2007
  • Berzin Valerij Bennovich
  • Dorofeeva Elena Viktorovna
  • Leonov Vladimir Nikolaevich
  • Lutonina Ol'Ga Ivanovna
  • Miroshnikov Anatolij Ivanovich
RU2325395C1
METHOD OF OBTAINING 2-AMINO-6-AZIDO-9-(2,3,5-TRI-O-ACETYL-BETA-D-RIBOFURANOSYL)PURINE 2007
  • Berzin Valerij Bennovich
  • Dorofeeva Elena Viktorovna
  • Leonov Vladimir Nikolaevich
  • Miroshnikov Anatolij Ivanovich
RU2326124C1
METHOD OF PRODUCTION OF 2-CHLOROADENOSINE 2007
  • Berzin Valerij Bennovich
  • Dorofeeva Elena Viktorovna
  • Leonov Vladimir Nikolaevich
  • Lutonina Ol'Ga Ivanovna
  • Miroshnikov Anatolij Ivanovich
RU2324698C1
PURINE L-NUCLEOSIDES, THEIR ANALOGUES AND USING 1997
  • Uong Guehndzhaj
  • Tehm Robert
  • Ehverett Devron
RU2183639C2
DERIVATIVES OF 5,6-DICHLOROBENZIMIDAZOLE, METHOD OF THEIR SYNTHESIS, PHARMACEUTICAL COMPOSITION AND METHOD OF TREATMENT AND PROPHYLAXIS OF VIRAL INFECTIONS 1995
  • Chejmberlejn Stehnli Doz
  • Koszalka Dzhordzh Uolter
RU2145963C1
METHOD OF PRODUCING 9-(BETA-D-ARABINOFURANOSYL)-6-(N-L-SERYLAMIDO)-2-CHLOROPURINE 2014
  • Konstantinova Irina Dmitrievna
  • Eletskaja Barbara Zlatkovna
  • Dorofeeva Elena Viktorovna
  • Fateev Il'Ja Vladimirovich
  • Berzina Marija Janovna
  • Lutonina Ol'Ga Ivanovna
  • Miroshnikov Anatolij Ivanovich
RU2563257C1
DERIVATIVES OF 3-H-1,2,3-TRIAZOLO-[4,5-D]-PYRIMIDINE, PHARMACEUTICAL COMPOSITION AND METHOD OF THEIR SYNTHESIS 1996
  • Koks Dehvid
  • Ingoll Ehntoni
  • Uillis Pol
RU2174518C2
ADENOSINE DERIVATIVES 1992
  • Brajan Ehvans[Gb]
RU2060996C1
METHOD OF PREPARING BETA-ANOMER ENRICHED NUCLEOSIDES 1993
  • Ta-Sen Chou
  • Lauri Mishel' Potit
  • Duglas Pehtton K"Ell
  • Kora Sju Grossman
  • Larri Vejn Khertel
  • Zichard Ehlmer Kholms
  • Charl'Z Dehvid Dzhouns
  • Tomas Ehdvard Mehbri
RU2131880C1
6-N,6-N- DIBENZOYL -9- (2,3 -ANHYDRO- β -D-RIBOFURANOSYL) - ADENINE AS AN INTERMEDIATE COMPOUND FOR SYNTHESIS OF ADENYLYL - ((2′-5′)) - ADENYLYL -((2′-5′))- 9- (2,3- ANHYDRO-β -D- RIBOFURANOSYL) - ADENINE DISODIUM SALT 1989
  • Kvasjuk E.I.
  • Kulak T.I.
  • Tkachenko O.V.
  • Mikhajlopulo I.A.
SU1626662A1

RU 2 324 699 C1

Authors

Berzin Valerij Bennovich

Dorofeeva Elena Viktorovna

Lutonina Ol'Ga Ivanovna

Leonov Vladimir Nikolaevich

Miroshnikov Anatolij Ivanovich

Dates

2008-05-20Published

2007-02-05Filed