全文获取类型
收费全文 | 203篇 |
免费 | 0篇 |
专业分类
化学 | 201篇 |
物理学 | 2篇 |
出版年
2008年 | 1篇 |
2005年 | 1篇 |
1994年 | 2篇 |
1993年 | 2篇 |
1992年 | 4篇 |
1991年 | 6篇 |
1990年 | 8篇 |
1989年 | 7篇 |
1988年 | 13篇 |
1987年 | 9篇 |
1986年 | 12篇 |
1985年 | 9篇 |
1984年 | 10篇 |
1983年 | 9篇 |
1982年 | 8篇 |
1981年 | 3篇 |
1980年 | 3篇 |
1979年 | 7篇 |
1978年 | 11篇 |
1977年 | 7篇 |
1976年 | 11篇 |
1975年 | 12篇 |
1974年 | 4篇 |
1973年 | 17篇 |
1972年 | 3篇 |
1971年 | 11篇 |
1970年 | 6篇 |
1969年 | 5篇 |
1968年 | 2篇 |
排序方式: 共有203条查询结果,搜索用时 500 毫秒
1.
S. V. Lev R. P. Zakirova Z. Saatov M. V. Gorovits N. K. Abubakirov 《Chemistry of Natural Compounds》1990,26(1):40-41
The possibility has been studied of obtaining ecdysteroids — ecdysterone and turkesterone — with the aid of a culture of the tissues and cells of the plantAjuga turkestanica. Conditions have been selected under which the yield of ecdysteroids in the culture of tissues and cells is comparable with amounts of the same substances in the organs of the whole plant.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 51–52, January–February, 1990. 相似文献
2.
3.
T. V. Ganenko M. I. Isaev T. T. Gorovits A. S. Gromova V. I. Lutskii A. A. Semenov N. K. Abubakirov 《Chemistry of Natural Compounds》1984,20(4):433-438
A new glycoside — foetoside C — has been isolated from the epigeal part ofThalictrum foetidum L. and, on the basis of chemical transformations and spectral characteristics its structure has been established as oleanolic acid 28-[O-α-D-glycopyranosyl-(1 → 6)-O-β-D-glucopyranoside] 3-O-[O-β-D-xylopyranosyl-(1 → 3)-O-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranoside]. 相似文献
4.
M. A. Agzamova M. I. Isaev M. B. Gorovits N. K. Abubakirov 《Chemistry of Natural Compounds》1988,23(6):696-700
A bisdesmosidic glycoside — cycloorbicoside G — has been isolated from the epigeal parts of the plantAstragalus orbiculatus Ledeb. (Leguminosae), and on the basis of chemical transformations and spectral characteristics its structure has been established as (23R,24S)-16,23;16,24-diepoxycycloartane-3,7,25-triol 25-O--D-glucopyranoside 3-O--D-xylopyranoside.Institute of the Chemistry of Plant Substances, Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 837–842, November–December, 1987. 相似文献
5.
Zh. M. Putieva L. G. Mzhel'skaya T. T. Gorovits E. S. Kondratenko N. K. Abubakirov 《Chemistry of Natural Compounds》1976,11(6):756-761
Summary Alternative structures for the acyloside chain of acanthophylloside B and C have been established.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 728–734, November–December, 1975. 相似文献
6.
G. V. Shevchuk Yu. S. Vollerner A. S. Shashkov M. B. Gorovits V. Ya. Chirva 《Chemistry of Natural Compounds》1991,27(6):706-711
Two new glycosides which have been called nolinofurosides G(I) and H(III), have been isolated from the leaves ofNolina microcarpa. Nolinofuroside G is the sodium salt of 26-β-D-glucofuranosyloxy-(25S)-furost-5,20(22)-diene-1β, 3β-diol 1-sulfate, and nolinofuroside
H is the sodium salt of 1-β-D-fucopyranosyloxy-26-β-D-glucopyranosyloxy-(25S)-furost-5,20(22)-dinen-1β-3β-ol 3-sulfate.
M. V. Frunze Simferopol' State University. Institute of the Chemistry of Plant Substances, Uzbek. Academy of Sciences, Tashkent.
Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 801–806, November–December, 1991. 相似文献
7.
Yu. S. Vollerner S. D. Kravets A. S. Shashkov M. B. Gorovits N. K. Abubakirov 《Chemistry of Natural Compounds》1988,24(2):183-186
A new genin of the spirostan series — anzurogenin B having the structure of 2,5-epoxy-(25R)-spirostan-3,6-diol — has been isolated form the collective fruit of the cocultivatedAllium suvorovii Rgl. andAllium stipitatum Rgl. (family Liliaceae).Institute of the Chemistry of Plant Substances, Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 218–221, March–April, 1988. 相似文献
8.
Z. Saatov N. D. Abdullaev M. B. Gorovits N. K. Abubakirov 《Chemistry of Natural Compounds》1984,20(6):700-703
A phytoecdysteroid, sileneoside D, has been isolated from the roots ofSilene brahuica Boiss. and it has been shown to be ecdysterone 3-O-α-D-galactopyranoside. 相似文献
9.
A new phytoecdysteroid, 2-deoxy-α-ecdysone 22-O-benzoate, has been isolated from the epigeal organs ofSilene wallichiana Klotzch. 相似文献
10.
Yu. S. Vollerner S. D. Kravets A. S. Shashkov B. Tashkhodzhaev M. B. Gorovits M. R. Yagudaev N. K. Abubakirov 《Chemistry of Natural Compounds》1991,27(2):198-207
Two new glycosides of the cholestane series (allosides A and B) have been isolated from the fruit of the cocultivatedAllium suvorovii Rgi. andAllium stipitatum Rgl. (family Liliaceae, local name anzur). The acid hydrolysis of both compounds gave a sterol not previously described, which has been called alliosterol and has the structure of (22S)-cholest-5-ene-1, 3, 16, 22-tetraol, and the product of its dehvdration, which is (16S, 22S)-furost-5-ene-1, 3-diol. Alloside A is the 16-O--D-galactopyranoside, and alloside B the 16-O--D-galactopyranoside 1-O--D-glucopyranoside of alliosterol.Institute of Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 231–241, March–April, 1991. 相似文献