11. Which of the following transformations represents an oxidation at the indicated (*) carbon? A. О,...
In which of the following compounds is the oxidation state of the indicated carbon atom lowest? НО НО ОН но
12.54 please provide a synthesis for the following
transformations:
( a - „О-О-О-О ОН " - ОН 3 -- Со е зE 3 3 3 3 о: 1ттттт HO
full mechanisms of the
following transformations
о ОН 5 — Т. Соон Сбон 2. 11 Br H000
In which of the following formulas does carbon have an oxidation number of zero? О насоз Ocзнь O K2CO3 С2Н2 none of these
Below is the structure of fructose, which numbered carbon is the anomeric carbon? CH2OH H О, НО ОН 5 2 H 31 CH2OH H OH O O O O o
3. Circle the answer. Which of the following reactions does not give the product indicated? A ОН 1) ether 2) Н,о" MgBr он В 1) ether 2) Н,О" - MgBr ОН C 1) ether MgBr CO2 + 2) Н.О" 1) ether 2) H,О" OH Н.о MgBr
8 Which of the above disaccharides will undergo oxidation? For the following disaccharides, a) name the monosaccharide units, b) the type of glycosidic bond and c the name of the disaccharides CH OH CH-Oн CH2OH 4) 5) О он CH2OH он он Он но но ОН он он бн он Он CH2OH 6) 7') он CH2OH CH2OH но OH он он но он CH-он он он но CH2OH OH a. Monosaccharides b. Type of Glycosidic Bond c. Name of Disaccharide...
Il in the correct reagents for each of the following chemical transformations. (20 BH₂ THE I 1. PH H₂O21wa oH Mg Br- I о н H₂Croy PPC 2. Hх 2. Hy me Bro 1. PS Moby он MgBr 2 H30 [OH-n] [OH-H]
is the following sugar an aldose or ketose? why? what carbon
is its anomeric carbon? is this sugar d or l? which structure (a-d)
describes its beta- anomer?
Н CH OH CH2OH CH OH -оон CH2OH ОН о ОН ₂ ООН ОН ОН ОН HO-31 ОН ОН ОН ОН ОН Нота-Н -Н НА-ОН Н -ОН 6CHOH ОН ОН ОН ОН A в D
Which of the following reacitions represents oxidation, and
which represents reduction?