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supported by grants from National Key Program (No. 2016YFA0200302, Study on application and preparation of aroma nanocomposites);National Natural Science Foundation of China (NSFC, No. 21472213);Croucher Foundation (Hong Kong) in the form of a CAS-Croucher Foundation Joint Laboratory Grant
α,β-Alkynyl ketoesters were introduced to the enantioselective Henry reaction(nitroaldol condensation)with nitromethane catalyzed by tartaric acid derived chiral iminophosphoranes.As such,a variety of optically act...
financial support of this work by the National Natural Science Foundation of China(No.21172085);the Natural Science Foundation of Hubei Province(No. 2014CFB567);the Open Foundation of Hubei Province Key Laboratory of Purification and Application of Plant Anti-cancer Active Ingredients
A new efficient synthesis of 2,5,6-trisubstituted oxazolo(5,4-d]pyrimidi-7(6H)-ones by consecutive azaWittig reaction was developed.The sequential three-component reaction of oxazolyliminophosphorane4,isocyanates a...
3-Iodoindole N-carboximidamides and N-carboximidoates 4 were prepared regioselectively via a sequential aza-Wittig/iodine induced cyclization, starting from easily accessible 2-alkynylphenyl iminophosphorane, isocyana...
Project supported by the National Natural Science Foundation of China (Nos. 21032006, 20972178) and Shanghai Natural Science Council.
In the presence of Cu(I) and triethyl amine, one-pot three-component reaction of fluoroalkanesulfonyl azides, alkynes and iminophosphoranes in CH2Cl2 at room temperature gave a novel class of fluorinated phosphorus ...
supported by Huazhong Agricultural University Scientific & Technological Self-innovation Foundation(Nos.2007XRC064 and 2008XKJC005)
The carbodiimide 2,obtained from the aza-Wittig reactions of iminophosphorane 1 with alkyl isocyanates,reacted with primary amino to give 2-alkylamino benzo[b]thieno[3,2-d]pyrimidin-4(3H)-ones 4 and 5.The formation ...
Supported by the National Natural Science Foundation of China(No.20772041);the Key Project of Chinese Ministry of Education(No.107082)
3,5,6,8-Tetrahydro-4H-thiopyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-ones(7) were synthesized via the base catalytic reactions of amines or phenols with carbodiimides(5), which were obtained from the aza-Wittig ...
support of this work by the National Natural Science Foundation of China(No.20772041);Key Project of Science and Technology of Ministry of Education of China(No.107082)
5,6-Dihydrothieno[3',2':4,5]thieno[2,3-d]pyrimidin-4(3H)-ones 6 were synthesized in yields of 71-87% by a consecutive method, which includes aza-Wittig reaction of iminophosphorane 3 with aromatic isocynate to gi...
We gratefully acknowledge financial support of this work by the Natural Science Foundation of Hubei Province (No. 2006ABB016); the National Natural Science Foundation of China (No. 20772041); Key Project of Chinese Ministry of Education (No. 107082).
4(3H)-Quinazolinones have been synthesized from poly(ethylene glycol) (PEG) supported aza-Wittig reaction. 2-Dialkylamino- 4(3H)-quinazolinones 6 were synthesized efficiently by reaction of secondary amine wit...
This work was financially supported by the National Key Project for Basic Research (No. 2003CB114400) and the National Natural Science Foundation of China (No. 20372023).
The title compound 2-(4'-methylphenoxy)-5,8,9-trimethyl-3-phenyl thieno[3',2':5,6] pyrido[4,3-d]pyrimidin-4(3H)-one hydrochloride (C26H23Cl4N3O2S, Mr = 583.33) has been determined by single-crystal X-ray dif...