2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%
3.
Stereocontrol in organic synthesis using silicon-containing compounds. A formal synthesis of prostaglandins controlling the stereochemistry at C-15 using a silyl-to-hydroxy conversion following a stereochemically convergent synthesis of an allylsilane Ian Fleming,Stephen B. D. Winter J. Chem. Soc. Perkin Trans. 1 1998 2687
4.
An unusual carbon–carbon bond scission reaction with molecular oxygen under mild conditions; formation of piperidines from 1-azabicyclo[2.2.2]octanes Timothy Norris,Dinos Santafianos,Jon Bordner J. Chem. Soc. Perkin Trans. 1 1997 3679
6.
Volatile organic metabolites associated with some toxic fungi and their mycotoxins Anna-Liisa Pasanen,Sanna Lappalainen,Pertti Pasanen Analyst 1996 121 1949
7.
Some stereocontrolled reactions of bicyclo [3.2.0]heptan-6-ones and 2-oxabicyclo [3.3.0]octan-3-ones S. Mubarik Ali,Noelle M. Crossland,Thomas V. Lee,Stanley M. Roberts,Roger F. Newton J. Chem. Soc. Perkin Trans. 1 1979 122
9.
Determination of selected microbial volatile organic compounds by diffusive sampling and dual-column capillary GC-FID-a new feasible approach for the detection of an exposure to indoor mould fungi? Katja Elke,Jutta Begerow,Hanna Oppermann,Ursula Kr?mer,Erich Jermann,Lothar Dunemann J. Environ. Monit. 1999 1 445
10.
Synthesis of carbasugars from aldonolactones. Part II. Preparation of polyhydroxy/aminocyclopentanes functionalised at all five ring carbons Steen K. Johansen,Inge Lundt J. Chem. Soc. Perkin Trans. 1 1999 3615