WebMay 8, 2014 · The high enantiomeric purity of 3b (99% ee) was confirmed by HPLC analysis [CHIRALPAK AY-H; Daicel, 2-PrOH– n-hexane (5:95)]. Compound 3b was then transformed into the phoshonium salt 5b via Sonogashira cross-coupling of the triethylsilyl (TES)-protected terminal alkyne 4b with vinylbromide 6 in 59% over four steps. http://yzoukai.com/page30?product_id=561
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WebCHIRALPAK ® AS-H ( 4.6 x 150 mm 5 µm ) methanol / diethylamine = 100 / 0.1. ID 1283. Neutral. SFC. Praziquantel CHIRALCEL ... ©DAICEL CORPORATION ... WebChiralpak™ AD-H. Amylose tris-(3,5-dimethylphenylcarbamate on silica-gel. n-hexane/ 2-propanol (90/10 v/v) Chiralpak™ AS. Amylose tris-[(S)-α-methylbenzylcarbamate] on silica-gel. Chiracel™ OD-H. Cellulose tris (3, 5-dimethylphenylcarbamate on silica-gel. Chiralpak™ IB. ... DAICEL ™ DCpak ® P4VP. Poly(4 ... dj adonis salsa volumen 10
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WebCHIRALPAK ® AD-H ( 4.6 x 250 mm 5 µm ) n-hexane / 2-propanol / diethylamine = 90 / 10 / 0.1. ID 842. ... CHIRALPAK ® AY-3 ( 4.6 x 150 mm 3 µm ) n-hexane / 2-propanol / … WebAlternatively, compounds of formula (I) may be prepared by treatment of compounds of formula (II) with dicyclohexyl carbodiimide (DCC), 1 -ethyl-3- (3-dimethylaminopropyl)carbodiimide (EDC) or 1 -[bis(dimethylamino)methylene]-1 H-1 ,2,3-triazolo[4,5- b]pyridinium 3-oxide hexafluorophosphate (HATU) to give the activated … WebApr 6, 2024 · 康宁corning 430698 RB CAP,48MM,EASY GRIP,S,IND,1/ 滚瓶盖 48mm直径 易握型 灭菌 单个包装（cf 430698//431132) 1个/包 dj adra