ライフサイエンスコーパス: three-membered ring

1 e rather than being due to the presence of a three-membered ring.

2 s as expected for nucleophilic attack at the three-membered ring.

3 n which the ligating phosphorus is part of a three-membered ring.

4 openone due to the presence of the annulated three-membered ring.

5 nes are compounds with a nitrogen-containing three-membered ring.

6 o the alkene or ring-opening of the strained three-membered ring.

7 These species contain weakly aromatic three-membered rings.

8 hows a significant delocalization around the three-membered rings.

9 ation of the nitrile imine into 4pi-electron three-membered-ring 3-methyl-1H-diazirine, which photore

10 Three-membered rings (3-rings) are an important structur

11 ms from its intrinsic population of strained three-membered rings (3MRs) along with its chainlike agg

12 nvestigated the fusion of various numbers of three-membered rings (3MRs) to the central 11-membered r

13 taining the azo (-N=N-) group in a strained, three-membered ring, and trans-dimethyldiazene, a diazen

14 ch the rings are cis-fused and the five- and three-membered rings are mutually trans, provides a synt

15 ions is not limited to products that contain three-membered rings, as reductive opening by SmI2 can b

16 groups showed that electron donation on the three-membered ring boosted the TOF of ring opening.

17 Three-membered-ring bromonium and iodonium ions from alk

18 al planar tetracoordinate carbon linking two three-membered rings, C(5)(2-), lends itself to extensio

19 d that during heat-treatment: (a) the double three membered rings (D3MRs) in ETS-4 are sites of struc

20 lead to unstable peroxide molecules such as three-membered ring dioxiranes.

21 )(Xant)Si(II)]Ge(I)}(2)Ni(II) complex with a three-membered ring Ge(2)Ni-metallacycle was obtained vi

22 a halogen-stabilized oxocarbenium ion, not a three-membered-ring halonium ion.

23 s are 11 to 27 kcal/mol more stable than the three-membered-ring halonium ions or the open-ions A and

24 Kinetic resolution of strained three-membered rings has proven broadly useful for the g

25 on to the angular ring strain germane to all three-membered ring hydrocarbons, a general trend is in

26 ker bond between the carbonyl carbon and the three-membered ring in the former compound.

27 her temperature more deeply with cleavage of three-membered rings in both cyclopropane substrates, an

28 d stepwise C(1)-symmetric pathways involving three-membered ring intermediate 5(*)(+) and four-member

29 16 possible cycloadditions, a pair of novel three-membered ring intermediates has been discovered.

30 opropane and a cationic rearrangement of the three-membered ring into a dimethoxypropylene isomer bef

31 g established that the alpha-position of the three-membered ring is the favored deprotonation site.

32 The unique topological features of a three-membered ring make it possible for the partially n

33 The second step is the opening of the three-membered rings of A and B to form the isomeric did

34 cuss the origin of the two isomers (open and three-membered ring) of the exohedral addition product a

35 o-1,3-dimethyluracil was found to proceed as three-membered ring opening via nucleophilic attack of t

36 The three-membered rings reacted at rates at least 10(6) tim

37 a dianionic dialane(6) 2 based on the Al(2)O three-membered ring scaffold, namely, an aluminum analog

38 Three-membered-ring scaffolds of carbocycles, namely, cy

39 ereospecific transfer from the corresponding three-membered ring species ("-iranium ions") to unactiv

40 he first structurally characterized neutral, three-membered ring species of formula c-(MR)(3) (M = Al

41 romine atom and forms a bromonium ion with a three-membered-ring structure(19).

42 describes the ring opening of more reactive three-membered rings substituted with unsaturations with

43 across a wide range of molecules containing three-membered rings such as epoxides, aziridines, and p

44 ction center was significantly lower for the three-membered rings than other members of the series.

45 ept for the case of X = NH(2), which forms a three-membered ring, the magnitude of the hyperconjugati

46 4) tetrahedra bridged through hydroxide into three-membered rings; these units link together to produ

47 ing one internal SiC(2) and two outer M-Si-C three-membered rings, which are fused via two Si-C bonds

48 nion (PF3)3(2-) forms the first example of a three-membered ring with all the vertices constituted by

49 f an episulfide isomer containing a strained three-membered ring within ~1 ps of photoexcitation and