ORGANIC SPECTROSCOPY INTERNATIONAL: 2-dimethyl-5-acetyl- 1

DR ANTHONY MELVIN CRASTO,WorldDrugTracker, helping millions, A 90 % paralysed man in action for you, I am suffering from transverse mylitis and bound to a wheel chair, With death on the horizon, nothing will not stop me except God................DR ANTHONY MELVIN CRASTO Ph.D ( ICT, Mumbai) , INDIA 25Yrs Exp. in the feld of Organic Chemistry,Working for GLENMARK GENERICS at Navi Mumbai, INDIA. Serving chemists around the world. Helping them with websites on Chemistry.Million hits on google, world acclamation from industry, academia, drug authorities for websites, blogs and educational contribution

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Sunday 24 January 2016

2,2-dimethyl-5-acetyl- 1,3-dioxane-4,6-dione/Acetyl-Meldrum’s acid

The product has an R_f of 0.22 in 5% methanol/methylene chloride (silica gel) and displays the following spectral data: ¹H NMR (300 MHz, CDCl₃) δ: 1.71 (s, 6 H), 2.64 (s, 3 H) ; ¹³C (75 MHz, CDCl₃) δ: 37.5, 42.4, 45.1, 106.2, 118.6, 174.8, 184.2, 207.5 . The acidic proton was not observed in the ¹H NMR spectrum.

lightyellow plate, mp 87.6-88.0°C

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Me

DR ANTHONY MELVIN CRASTO Ph.D ( ICT, Mumbai), INDIA, worlddrugtracker, 29Yrs Exp. in the field of Organic Chemistry,Working for GLENMARK PHARMA at Navi Mumbai, INDIA. Serving chemists around the world. Helping them with websites on Chemistry.Million hits on google, world acclamation from industry, academia, drug authorities for websites, blogs and educational content...........P.S. : The views expressed are my personal and in no-way suggest the views of the professional body or the company that I represent. सुकून उतना ही देना प्रभू, जितने से जिंदगी चल जाये। औकात बस इतनी देना,कि औरों का भला हो जाये।

ORGANIC SPECTROSCOPY INTERNATIONAL

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Sunday 24 January 2016

2,2-dimethyl-5-acetyl- 1,3-dioxane-4,6-dione/Acetyl-Meldrum’s acid

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