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1
THE C-2 AND C-3 POSITIONS OF THE HYDROXYL GROUPS IN GITOGENIN, 9-DEHYDROMANOGENIN, AND RELATED STEROIDAL SAPOGENINS
SPITZER
,
PENN F.
,
JR
ether
solution
gitogenin
obtained
hydroxyl
oxidation
configuration
groups
sapogenins
product
ester
m.p
dehydromanogenin
dimethyl
acetic
marker
windaus
cleavage
bond
methanol
mixture
prepared
diacetate
extracted
acids
cholestan
gitogenic
sapogenin
conversion
latter
agavogenin
manogenin
benzene
diacid
manogenic
melting
potassium
tigogenin
coprostane
hydrochloric
linkage
observed
washed
absorption
aqueous
column
dibasic
dioxane
hydroxide
oxidative
语言:
english
文件:
PDF, 1.80 MB
您的标签:
0
/
0
english
2
A Convenient Synthesis of (16S,20S)‐3β‐Hydroxy‐5α‐ pregnane‐20,16‐carbolactam and Its N‐alkyl Derivatives
MDPI
Agnieszka Wojtkielewicz
,
Damian Pawelski
,
Przemysław Bazydło
ch2
synthesis
ch3
oxo
lactam
lactone
solution
equiv
reaction
nmr
product
hydroxy
cdcl3
mhz
reductive
obtained
amide
5α
dcm
bisnorcholanic
mmol
3β
amination
20s
pregnane
derivatives
mixture
sodium
steroidal
hexane
lactams
meoh
molecules
oxidation
13c
anhydrous
cyclization
hrms
tbs
acoet
calcd
crude
dibalh
evaporated
reagent
solvent
stirred
temperature
16s
lactones
年:
2020
语言:
english
文件:
PDF, 458 KB
您的标签:
0
/
0
english, 2020
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