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CHINESE CHEMICAL LETTERS
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Vol. 11, No. 5, 2000
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CONTENTS
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1-Ethyl-2-fluoro
pyridinium salt: A highly efficient coupling reagents for sterically hindered
peptide synthesis…...………………………P. LI, J. C. XU
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377
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The preparation and
application of two new types of oxazaborolidines…….
…………………………………………..……...G. B. RONG, X.
M. LI, Y. ZHANG
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381
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Asymmetric transfer hydrogenation of ketone catalyzed by novel
Ru(II)-chiral sulfonamide complex……...……………………………………………
………………......C. E. DONG, J.
L. ZHANG, W. Z. ZHENG, Z. L. YU, L. F. ZHANG
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383
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A facile and highly
stereoselective reductive debromination of anhydro-6- (R)-hydroxyethyl-
6-bromopenicillin……………..…………………………..
…………………...…………...B. ZHENG, J. L.
WU, S. J. XU, J. F. SHI, Y. Z. CHEN
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385
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Simultaneous reduction
of nitro group and S-S bond in nitrodisulfides by samarium diiodide: A new
approach to benzothiazolines…………...……...
…………………………...……………X. Y. CHEN, W.
H. ZHONG, Y. M. ZHANG
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387
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A novel synthesis of
3,4-dihydro-(2H)-1,2,4-benzothiadiaizine-1,1-dioxides promoted by samarium
diiodide……...…….……W. H. ZHONG, Y. M. ZHANG
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389
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The synthesis of some
novel N-[a-(isoflavone-7-O-) acetyl ] amino acid
derivatives…….………......P. LIU, J. B.
CHANG, R. F. CHEN, Q. WANG, J. X. XIE
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391
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Synthesis and
characterization of a new organic up-conversion laser dye HMASPS……………………….....…Y. REN, Q. FANG,
Y. X. YAN, X. M. WANG,
………………………....….Z. LIU, G. Y.
ZHOU, C. WANG, X. ZHAO, M. H. JIANG
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395
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Studies on agarofurans
IV. The synthesis of 4-substitutioned agarofurans….
……………..…………………...…………W. Y. ZHANG, J.
Y. GUO, X. T. LIANG
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399
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Synthesis of N -t-butyl-N¢-aminocarbonyl-n-(substituted) benzoylhydrazine
containing a - aminoalkylphosphonate groups……………………….…..….
…………………………....…….Q. M. WANG, R.
Q. HUANG, Z. G. LI, R. L. SHAO
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401
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Synthesis of macrocyclic
lactones building on double calix[4]arenes…….....
……………………………………....…...Q. Y. ZHENG, C.
F. CHEN, Z. T. HUANG
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403
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Stereocomplex formation
of atactic poly(methyl methacrylate)……..………
………………………………………………...……………….Q. GU, D. Y.
SHEN
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405
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Interaction between N-phospho-amino
acids and nucleoside in aqueous
medium…………………………………………….....Y. F. ZHAO, J.
J. HU, Y. JU
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407
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A new azafluorenone
alkaloid from Alphonsea monogyma….....………………
……………………………………....…….N. Y. YANG, N.
XIE, L. Y. KONG, G. LI
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409
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Diterpenoid alkaloids
from Aconitum racemulosum Franch var.
pengzhouense…....……………..C. S. PENG, X.
X. JIAN, F. P. WANG, D. L. CHEN
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411
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Two new iridoid
glucosides from Clerodendrum serratum…..……………….
………………………………......X. M. WEI, Q. X.
ZHU, J. C. CHEN, D. L. CHENG
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415
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Demethoxylation and O-demethylation of pseudaconine and
isotalatizidine.
…………………………...…J. Z. FAN, Z. B.
LI, Q. H. CHEN, F. P. WANG, B. G. LI
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417
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Oxidation of the
norditerpenoid alkaloids isotalatizidine and 6-epiforsti-
cine…………….…...................………..Z. B. LI, Q. H.
CHEN, F. P. WANG, B. G. LI
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421
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Determination of phosphorus
by inductively coupled plasma atomic emission spectroscopy after hydride
generation………....Z. F. FAN, L. M. DU
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425
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Chemiluminescence determination of molybdenum by
on–line reduction with a flow injection
system…………..……………….…………..…Z. J. ZHU
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427
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Spectrofluorimetric determination of trace
terbium(III) using 2,6-bis-(1'-phenyl-3'-methyl-5'-oxopyrazole-4')
pyridinediacyl and N-cetyl-
pyridium
bromide………..............………………………………………………
……….......J. Z. GAO, Q. L. DENG, W. YANG, J. G. HOU,
B. W. ZHAO, J. W. KANG
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431
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HPLC determination of neurotoxin β-N-oxalyl-l-α,β -diaminopropionic acid
and its α -isomer in Lathyrus sativus by precolumn derivatization with
1-fluoro-2,4-dinitrobenzene………………………............………………..…….
………………………....……….F. WANG, X. CHEN, Q. CHEN,
X. C. QIN, Z. X. LI
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435
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A new conductivity detector for capillary
electrophoresis…....................……
Z. G. CHEN,
J. Y. MO, T. Y. XIE, L. S. WANG, X. Y. YANG,
K. ZHANG, M. S. ZHANG
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439
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Oscillographic chronopotentiometry with
high and low frequency current
……………..................………………….……J. B.
ZHENG, X. Q. ZHANG, H. GAO
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443
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Theory study on
structures and vibrational frequencies of pyruvic acid….…
…………………………………………...……….D. M. DU, A. P.
FU, Z. Y. ZHOU
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447
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Reactivity ratios for
microemulsion copolymerization of N-butyl maleimide and
styrene……………...…………..Y. L. ZHAO, H. M. LI, P. S. LIU
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451
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The effect of pH
difference between two phases on the partition of lysozyme in aqueous
two-phase system……………….……..……...Y. XU, J. LU, D. Q. LI
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453
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Electrochemical
properties of spinel LiMn2O4-dFd for cathode materials of secondary lithium-ion
battery……..……...…...Z. Y. CHEN, X.
Q. LIU, Z. L. YU
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455
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X-ray crystal structure
and molecular mechanics calculations of (2,6-iso-dipropyl-phenylamide)
dimethyl ( tetra-methylcyclopenta-dienyl
) silane titanium
dichloride....................................................................................…
..............................................T. Q. LIU, D. W. GUO, Y. H. LIN, X. Z. YANG,
Y. L. HU
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459
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Cation-p
interactions. synthesis and crystal structure of palladium complex:
[K(DB18C6)]2[Pd(SCN)4].…..………………………………………
……….....J. M. DOU, Y.
LIU, L. Y. ZHU, D. Z. SUN, P. J. ZHENG, C. X. DU, Y. ZHU
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463
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Nanostructured lead sulfide containing nanoholes templated by
lyotropic hexagonal liquid crystals……....….Y. LI,
Q. M. ZHANG, F. Z. HUANG, Z. N. GU
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467
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Supported
by the National Natural Science Foundation of China
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