ethanol, and could convert corn cobs and stalks, wheat straw and woodchips into fuel. "We have been working on this for the past 10 years and promised our customers and the market to be ready by 2010," Novozymes' chief executive Steen Riisgaard said in a statement. Novozymes said the new enzyme was
New method of alkylene phosphonate preparation
β Scribed by Pawel Klosinski
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- French
- Weight
- 178 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4039
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kbstract:. A versatile and high-yielding synthesis of racemic carbocyclic ohosphonate nucleosides of adenine, hypoxanthine, guanine, cytosine, uracil, and O~ymine has been developed. These newly prepared compounds are isosteric (and isoelectronic) with (carbo)cyclic 2',3'-dideoxy-and 2;3'dideoxy-2',
## Abstract **Summary:** Poly(alkylene hydrogen phosphonate)s with a numberβaverage molecular weight of about 3β000 Da were obtained by a transesterification of dimethyl hydrogen phosphonate with poly(ethylene glycol) (PEG 400) under microwave irradiation with a very short reaction time (55 min) re
The reaction of 2,2-disiibstituted 1,3-cyclohexanediones (1) with dimethyl methylphosphonate anion in the presence of trimethylsilyl chloride produces 3-substituted 2-tyclohexenones (2) in moderate to very good yields. This new overall reaction is accounted for by (1) attack of the phosphonate anion