FIELD: organic chemistry, chemical technology, vitamins.
SUBSTANCE: invention relates to novel intermediate compounds used for synthesis of derivatives of vitamin D and represented by the formula (I):
wherein Y1 represents hydrogen atom or tert.-butyldimethylsilyl group; Y2 represents tert.-butyldimethylsilyl group; Y3 represents hydrogen atom or tetrahydro-2-pyranyl group wherein Y3O-group is in R-configuration; R1 and R2 are bound and form methylene group. Except for, invention relates to novel compounds represented by the formula (II):
wherein Y2 represents tert.-butyldimethylsilyl group; Y3 represents hydrogen atom or tetrahydro-2-pyranyl group and Y3O-group is in R-configuration. These compounds are used as intermediate substances for synthesis of compounds of the formula (I).
EFFECT: valuable properties of intermediate compounds.
8 cl, 1 dwg, 8 ex
Title |
Year |
Author |
Number |
NOVEL INTERMEDIATE COMPOUNDS FOR PRODUCING TRIAZOLO(4,5-d)PYRIMIDINE |
2012 |
- Gil Sajmon
- Khardern Devid
- Ingoll Entoni
- Springtorp Brajan
- Uillis Pol
|
RU2593201C2 |
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 |
NOVEL CRYSTALLINE FORM OF TRIAZOLO(4,5-d)PYRIMIDINE |
2005 |
- Bolin Martin
- Kosgrouv Stiv
- Lassen Bo
|
RU2418802C2 |
AMINO ACID DERIVATIVES |
1994 |
- Khitosi Ojnuma
- Sindzi Suda
- Naoki Eneda
- Makoto Kotake
- Kendzi Khajasi
- Kazutosi Mijake
- Nobujuki Mori
- Mamoru Saito
- Tosijuki Matsuoka
- Masajuki Namiki
- Takesi Sudo
- Sigeru Souda
|
RU2127261C1 |
NEW CRYSTAL AND AMORPHOUS FORM OF TRYAZOL[4,5-d] PYRIMIDINE |
2001 |
- Bolin Martin
- Kosgrouv Stiv
- Lassen Bo
|
RU2325391C2 |
AZABICYCLO-QUINOLONE CAROBOXYLIC ACIDS OR THEIR PHARMACEUTICALLY ACCEPTABLE ACID-ADDITIVE SALTS AND INTERMEDIATE PRODUCTS FOR THEIR SYNTHESIS |
1989 |
- Kehtrin Ehlizabet Brajti[Us]
|
RU2049777C1 |
NOVEL ACTIVATORS OF VITAMIN D RECEPTORS AND METHODS OF OBTAINING THEREOF |
2008 |
- Fon Geldern Tomas V.
- Barkalou Tszjujfan Kh.
- Barns Dehvid M.
- Khehjt Ehntoni R.
- Khendzhiveld Dzhon Eh.
- Li Sjaofehn
- Maklaflin Morin A.
- Nunan Uill'Jam T.
- Pehj Chzhunkhua
- U-Von Tszin'Shun' Rut
|
RU2535448C2 |
ANALOGS OF VITAMIN D, METHOD OF THEIR SYNTHESIS, DIASTEREO- -ISOMER, PHARMACEUTICAL COMPOSITION |
1993 |
- Kaj Khansen
- Khenrik Pedersen
|
RU2163234C2 |
TAXOIDS, METHOD OF PREPARATION THEREOF, AND PHARMACEUTICAL COMPOSITION BASED ON THESE COMPOUNDS |
1995 |
- Bushar Ehrve
- Burza Zhan-Dominik
- Kommerson Alen
- Terr'E Korinn
- Zjukko Martin
|
RU2153496C2 |
PYRIMIDINE COMPOUNDS, METHODS FOR THEIR PREPARING (VARIANTS), INTERMEDIATE SUBSTANCES (VARIANTS) AND METHODS FOR THEIR PREPARING (VARIANTS), METHOD FOR PREPARING TRIAZOLOPYRIMIDINE COMPOUNDS |
2001 |
- Larsson Ul'F
- Magnusson Mattias
- Musil' Tibor
- Pal'Mgren Andreas
|
RU2295526C2 |