ANALOGS OF VITAMIN D3 Russian patent published in 2004 - IPC

Abstract RU 2235721 C2

FIELD: organic chemistry, vitamins, medicine.

SUBSTANCE: invention describes compounds of the formula (I):

wherein R1 means hydrogen atom; R2 means (C1-C4)-alkyl; or R1 means (C1-C4)-alkyl and R2 means hydrogen atom; A means group CH2-CH2; R3 means (C1-C4)-alkyl, hydroxy-(C1-C4)-alkyl or fluoro-(C1-C4)-alkyl; R4 means (C1-C4)-alkyl, hydroxy-(C1-C4)-alkyl or fluoro-(C1-C4)-alkyl. Compounds are useful for treatment of breast cancer, prostate cancer, myeloid leucosis, prostate benign tumor, alopecia and osteoporosis.

EFFECT: valuable medicinal properties of analogs.

4 cl

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RU 2 235 721 C2

Authors

Batcho Ehndr'Ju Dejvid

Khennessi Bernard Majkl

Uskokovich Milan Radoe

Dates

2004-09-10Published

2000-07-06Filed