ライフサイエンスコーパス: trichloroacetimidate

1 uranose thioglycoside and/or a mannopyranose trichloroacetimidate.

2 tached by a glycosylation by employing the O-trichloroacetimidate.

3 lloyl diacid with 2 equiv of a glucopyranose trichloroacetimidate.

4 Overman rearrangement of cyclopropenylmethyl trichloroacetimidates.

5 benzylidene D-glucosamine and galactosamine trichloroacetimidates.

6 via Pd(II)-catalyzed rearrangement of glycal trichloroacetimidates.

7 tenyl glycosides (NPGs), thioglycosides, and trichloroacetimidates.

8 for the asymmetric rearrangement of allylic trichloroacetimidates.

9 he discovery that the reaction of 2 with the trichloroacetimidate 108, containing a free N-methylamin

10 trans acetalization of chiral alcohol 3 with trichloroacetimidate 18 followed by inversion of the adj

11 r the rearrangement of prochiral (E)-allylic trichloroacetimidate 19 (eq 2) and the S(N)2' allylic su

12 on of acetic acid with prochiral (Z)-allylic trichloroacetimidate 23.

13 ategy; however, the union of tetrasaccharide trichloroacetimidate 4 with disaccharide acceptor 5 unex

14 These results suggest that the use of trichloroacetimidate activated resins offers an attracti

15 old(III) chloride as catalyst for O-glycosyl trichloroacetimidate activation revealed low affinity to

16 The trichloroacetimidate alkylating agent must be a stable c

17 using excess monosaccharide glycosyl donors (trichloroacetimidates and thioglycosides) in sequential

18 Trichloroacetimidates are useful alkylating agents for a

19 With the trichloroacetimidate as the optimum donor leaving group,

20 i-O-benzylglucopyranosyl and -mannopyranosyl trichloroacetimidates as donors, with trimethylsilyl tri

21 the free thiol group of 17, 25, or 26, using trichloroacetimidates as glycosyl donors, led to the cor

22 elective discrimination between NPOEs, NPGs, trichloroacetimidates as well as ethyl and phenyl thiogl

23 Rapid access to allylic trichloroacetimidates bearing a 2-allylaminoaryl group f

24 ring closing metathesis reaction of allylic trichloroacetimidates bearing a 2-allyloxyaryl group has

25 A four-step synthesis of allylic trichloroacetimidates bearing a 2-proparyloxyaryl group

26 Allylic trichloroacetimidates bearing a 2-vinyl or 2-allylaryl g

27 de utilizing glycosyl phosphate and glycosyl trichloroacetimidate building blocks is reported.

28 The asymmetric rearrangement of allylic trichloroacetimidates catalyzed by palladium(II) complex

29 selective S(N)2' displacement of (Z)-allylic trichloroacetimidates catalyzed by the palladium(II) com

30 , an orthogonally protected manno-configured trichloroacetimidate donor was used to achieve the steri

31 C(1)-imidate nitrogen and C(2)-oxygen of the trichloroacetimidate donor.

32 lied to both D-glucosamine and galactosamine trichloroacetimidate donors as well as an array of prima

33 d(CH(3)CN)(4)(BF(4))(2) to activate glycosyl trichloroacetimidate donors at room temperature.

34 Activation of ester-protected glycosyl trichloroacetimidate donors by perchloric acid immobiliz

35 stereoselective glycosylation with glycosyl trichloroacetimidate donors employing cationic palladium

36 the Overman rearrangement of chiral allylic trichloroacetimidates generated by the asymmetric reduct

37 osylation of a 2-azido glycoside (25) with a trichloroacetimidate glucuronic acid donor (13), using a

38 Glycosidic coupling between a trichloroacetimidate glucuronyl donor and a Cbz-protecte

39 may be further elaborated into iduronic acid trichloroacetimidate glycosyl donors for the assembly of

40 actions that employ thioglycosides, glycosyl trichloroacetimidate, glycosyl bromide and glycosyl acet

41 he method is developed for the sulfoxide and trichloroacetimidate glycosylation protocols.

42 itionally, the alpha-orientation of the C(1)-trichloroacetimidate group on glycosyl donors is necessa

43 the corresponding rearrangement of benzylic trichloroacetimidates has not been explored as a method

44 e trichloroacetamide product from a benzylic trichloroacetimidate in high yield have been developed.

45 rapid allylic fluorination method utilizing trichloroacetimidates in conjunction with an iridium cat

46 starting allylic alcohol is converted to its trichloroacetimidate intermediate by reaction with trich

47 nol intermediate, an ether formation using a trichloroacetimidate intermediate, and bis-alkylation to

48 The rearrangement of allylic trichloroacetimidates is a well-known transformation, bu

49 using the palladium-catalyzed cyclization of trichloroacetimidates is reported.

50 termolecular alkylation of sulfonamides with trichloroacetimidates is reported.

51 Glycosyl phosphate and trichloroacetimidate monosaccharide building blocks were

52 palladium catalyst coordinates to both C(1)-trichloroacetimidate nitrogen and C(2)-oxygen of the don

53 er can then achieved by direct addition of a trichloroacetimidate or ethyl thioglycoside.

54 atalyzed cyclization of phenolic (E)-allylic trichloroacetimidate precursors.

55 own that C-3-substituted cyclopropenylmethyl trichloroacetimidates undergo a hydrolytic ring-opening

56 Ph2SO, TTBP, Tf2O, and the activation of the trichloroacetimidates using FeCl3 alone or TMSOTf.

57 pisulfonium ions generated by protonation of trichloroacetimidates vicinal to sulfides.

58 um(II)-catalyzed rearrangement of an allylic trichloroacetimidate was used as the key step for the pr

59 ective amination of racemic tertiary allylic trichloroacetimidates with a variety of aniline nucleoph

60 ve fluorination of racemic, branched allylic trichloroacetimidates with Et3N.3HF is a mild and effici