WordNet

sound loudly and sonorously; "the bells rang" (同)peal
a toroidal shape; "a ring of ships in the harbor"; "a halo of smoke" (同)halo, annulus, doughnut, anchor ring
jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger; "she had rings on every finger"; "he noted that she wore a wedding band" (同)band
a characteristic sound; "it has the ring of sincerity"
a platform usually marked off by ropes in which contestants box or wrestle
the sound of a bell ringing; "the distinctive ring of the church bell"; "the ringing of the telephone"; "the tintinnabulation that so voluminously swells from the ringing and the dinging of the bells"--E. A. Poe (同)ringing, tintinnabulation
attach a ring to the foot of, in order to identify; "ring birds"; "band the geese to observe their migratory patterns" (同)band
make (bells) ring, often for the purposes of musical edification; "Ring the bells"; "My uncle rings every Sunday at the local church" (同)knell
wearing a wedding ring; lawfully married; "a ringed wife"- Tennyson
having colored rings around the body
gymnastic apparatus consisting of a pair of heavy metal circles (usually covered with leather) suspended by ropes; used for gymnastic exercises; "the rings require a strong upper body"
the giving of a ring as a token of engagement

PrepTutorEJDIC

『指輪』 / 『輪』,環;輪形,円形 / (円形の)サーカス演技場,公演場,競技場;(ボクシング・レスリングの)リング / 《複数形で》(体操の)つり輪 / (不法な目的で結託した)(…の)徒党,一味《+『of』+『名』》 / (原子の)環 / …を円形に取り囲む,円で囲む《+『about』(『around』,《英》『round』)+『名,』+『名』+『about』(『around』,《英》『round』)+『名』》 / 〈動物〉‘に'鼻輪(首輪,足輪)をはめる / (遊びで)…‘に'輪を投げる / 環状に動く,輪を描く
〈鐘・ベルなどが〉『鳴る』 / 《『ring』+『形』〈補〉》(…のように)聞こえる / (…を)ベルを鳴らして求める《+『for』+『名』》 / 〈音声・楽器などが〉鳴り響く;〈場所が〉(音などで)満ちる《+『with』+『名』》 / 耳鳴りがする / 〈鐘・ベルなど〉‘を'『鳴らす』 / 〈人〉‘を'(鐘などを)『鳴らして呼ぶ』;…‘を'鐘を鳴らして知らせる / 《英》…‘に'電話をかける《+『up』+『名』,+『名』+『up』》 / 《単数形で》(鐘・ベルなどの)『鳴る音,響き』《+『of』+『名』》 / 鐘(ベルなど)を鳴らすこと;ベル(など)が鳴ること / 《単数形で》(…の)固有の響き,調子,感じ《+『of』+『名』》 / 《話》電話をかけること
輪にある;環状の / 指輪をはめた

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1. 避妊用膣内リング contraceptive vaginal ring
2. 骨髄異形成症候群の臨床症状および診断 clinical manifestations and diagnosis of the myelodysplastic syndromes
3. 指輪の除去手技 ring removal techniques
4. 膣萎縮症の治療 treatment of vaginal atrophy
5. 消化器病学における臨床病理学的症例：食道 clinical pathological cases in gastroenterology esophagus

Acanthomanzamines A-E with New Manzamine Frameworks from the Marine Sponge Acanthostrongylophora ingens.

Furusato A1, Kato H, Nehira T, Eguchi K, Kawabata T, Fujiwara Y, Losung F, Mangindaan RE, de Voogd NJ, Takeya M, Yokosawa H, Tsukamoto S.
Organic letters.Org Lett.2014 Jun 26. [Epub ahead of print]
Five new manzamine alkaloids, acanthomanzamines A-E, were isolated from the marine sponge Acanthostrongylophora ingens. Acanthomanzamines A and B are the first examples, containing a tetrahydroisoquinoline instead of a β-carboline in manzamine-related alkaloids. Acanthomanzamine C contains a hexahy
PMID 24967948

(R)-[(R)-3-Benzyl-2-oxooxazolidin-4-yl][4-(methyl-sulfon-yl)phen-yl]methyl acetate.

Li F1, Zhao MZ2, Jin CH1, Zou JW1.
Acta crystallographica. Section E, Structure reports online.Acta Crystallogr Sect E Struct Rep Online.2014 Apr 26;70(Pt 5):o606. doi: 10.1107/S1600536814009106. eCollection 2014.
The structure of the title compound, C20H21NO6S, is of inter-est with respect to its anti-bacterial properties. The oxazolidine ring makes dihedral angles of 79.63 (14) and 56.16 (12)° with the phenyl and benzene rings, respectively, while the phenyl and benzene rings make a dihedral angle of 6
PMID 24860399

Spiramine derivatives induce apoptosis of Bax(-/-)/Bak(-/-) cell and cancer cells.

Yan C1, Huang L2, Liu HC3, Chen DZ4, Liu HY4, Li XH4, Zhang Y4, Geng MY3, Chen Q5, Hao XJ6.
Bioorganic & medicinal chemistry letters.Bioorg Med Chem Lett.2014 Apr 15;24(8):1884-8. doi: 10.1016/j.bmcl.2014.03.019. Epub 2014 Mar 18.
Spiramine C-D, the atisine-type diterpenoid alkaloids isolated from the Chinese herbal medicine Spiraea japonica complex, are shown to have anti-inflammatory effects in vitro. In this study, we report that spiramine derivatives of spiramine C-D bearing α,β-unsaturated ketone induce apoptosis of Ba
PMID 24684844

INADA Aya,KANAZAWA Hitoshi,UEKUSA Hidehiro
X-ray Structure Analysis Online 31(0), 17-18, 2015
… The title compound, (4S)-4-[(2S)-butan-2-yl]-1,3-oxazolidine-2,5-dione, C7H11NO3 was synthesized and the crystal structure was determined by the single-crystal X-ray diffraction method at 123 K. … The oxazolidine ring in this compound is planar with a maximum deviation of 0.037(4)Å. …
NAID 130004953664

Enantioselective Syntheses of Pachastrissamine and Jaspine A via Hydroxylactonization of a Chiral Epoxy Ester

Urano Hiroyuki,Enomoto Masaru,Kuwahara Shigefumi
Bioscience, biotechnology, and biochemistry 74(1), 152-157, 2010-01-23
… intramolecular epoxide ring opening of a γ,δ-epoxy-α,β-unsaturated ester intermediate coupled with oxy-Michael cyclization. … Treatment of pachastrissamine with tetrahydro-2-furanol under acidic conditions led to smooth oxazolidine ring formation, furnishing jaspine A in a high yield. …
NAID 10027550445

利部伸三,西村勁一郎,成瀬有二 [他],大野育也
日本農薬学会誌 33(1), 58-66, 2008-02-20
ネオニコチノイド系殺虫剤チアクロプリドのファーマコフォアであるシアノイミノチアゾリジン部位をイミダゾリジン,ピロリジン,あるいはオキサゾリジンのようなヘテロ環(以下中心環と呼ぶ)に変え,それらの6-chloro-3-pyridylmethylや5-chloro-3-thiazolylmethyl誘導体の,注射法によるワモンゴキブリに対する殺虫活性とゴキブリ神経軸索を用いた伝導遮断活性を測定した.試 …
NAID 110006614072