A comparison of H4 and H6 as transition states for the hydrogen-deuterium exchange reaction
β Scribed by James S. Wright
- Publisher
- Elsevier Science
- Year
- 1970
- Tongue
- English
- Weight
- 282 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
A possible reaction path for the hydrogen-deuterium exchange reaction is discussed, based on the low energy calculated for Hg. Receht theoretical caIculations [l-3] of the possible.four-center transition states for the 1.0 1.2 I.4 1.6 1.8 2.0 2.2 RH-H (a.u.1 -1.94 2 -1.95 H4SaWE PLANAR . 4 -1.86 (TWO-TERM CI 1 g -1.97 w -1.98 L -1.99 1.8 2.0 2.2 2.4 2.6 28 3.0 R~_H'(~.uJ
π SIMILAR VOLUMES
## Abstract Simple and improved conditions have been found to carry out the Biginelli reaction for the synthesis of 3,4βdihydropyrimidinβ2(1__H__)βone derivatives. This synthesis was performed using potassium hydrogen sulfate as the promoter in ethylene glycol solution. Compared with the classical