9 Questions 7 Answers 0 Followers
Questions related from Hajar Benrzeil
Hello researchers, I want a method to synthesize the racemic Michael product, (S)-2-((R)-2-Nitro-1-phenylethyl)cyclohexanone, using cyclohexanone and trans-β-nitrostyrene.
23 July 2024 4,409 1 View
Can the Chiralpak AD-H column separate the enantiomers of 2-(2-nitro-1-phenylethyl)cyclohexan-1-one from a Michael reaction? For separating the enantiomers of the aldolization product...
13 June 2024 3,597 2 View
what is the technical reaction for the synthesis of R-CN from R-Br? I want to synthesize cyanure R-CN from R-Br I try reaction with DMF and DMSO at reflux for 48h, with DMSO I get product but...
11 September 2023 7,569 0 View
I want to make mono bromination of chloroacetic acid or ethyl chloroacetate ester
11 September 2022 1,886 4 View
hello, I want to know the procedure for the synthesis of chloroacetic acid tertiary butyl ester from chloroacetic acid with DCC or other methods
27 June 2022 9,000 3 View
hello I want to calculate the molar mass of polyvinyl alcool 10% weight coupled with imino di acetic acid
08 June 2022 1,738 7 View
Hello every one, we are working on the bromination of dipeptide (proline-glycine) by mercury Lampe and in MW condition. the product of bromination MW was crystallized and the results MS gives...
22 March 2022 3,486 0 View
Hi, Does anyone knows the right solvent for dipeptide recrystallization for coupling between hyppurique acid and proline methyl ester hydrochloride, I have tried methanol and the ethylique ether...
02 December 2021 5,156 3 View
I have coupled the proline methyl ester hydrochloride and hippuric acid and I want to recrystallize this product I tried with ethyl acetate and petroleum ether but recrystallization does not...
28 July 2021 9,223 4 View
