S. Ito

发表

Synthesis of macrocyclic terpenoids by intramoleclar cyclization II germaclane-type sesquiterpenes

M. Kodama, Y. Matsuki, S. Ito, 1976 .

Synthesis of cyclohepta-4,6-diene-1,2,3-trione, o-tropoquinone

S. Ito, M. Hirama, 1975 .

Tautomerism in 3-bromotropolone

H. Sugiyama, T. Nozoe, S. Ito, 1965 .

The total synthesis of chlorophyll a

R. Woodward, R. Bonnett, W. Ayer, 1990 .

Hindered Rotation Around Amide OC-N Bonds: Its Energy Dependence on C-N-C Bond Angle

Y. Fujise, Y. Fukazawa, S. Ito, 1977 .

A total synthesis of (−)-antimycin A3b

S. Ito, Takeshi Nishii, T. Tsunoda, 2000 .

Biomimetic cyclization of hedycaryol derivatives. Unexpected cyclization of phenyl sulfides with methyl iodide

K. Shimada, M. Kodama, S. Ito, 1981 .

The Effect of Leaving Group Orientation on Solvolytic Cope Rearrangements. A Study of exo-Tricyclo[4.4.1.12,5]dodeca-3,7,9-trien-11-yl Tosylates and Derivatives

P. Schleyer, Y. Fujise, S. Ito, 1978 .

Mitsunobu acylation of sterically congested secondary alcohols by N,N,N′,N′-tetramethylazodicarboxamide-tributylphosphine reagents

S. Ito, T. Tsunoda, Y. Yamamiya, 1995 .

Steric strain in syn[2.2]Metacylophane.

Y. Fujise, Y. Fukazawa, Hideaki Hioki, 1993 .

New entry to syn-β-hydroxy-α-amino acids

Hideaki Hioki, S. Ito, M. Hirama, 1988 .

A Few New Methods Toward Asymmetric Synthesis

S. Ito, T. Tsunoda, 1992 .

An efficient method for hydrolysis of N-monosubstituted amides utilization of intramolecular NO acyl migration in hydroxypivalimides

S. Ito, O. Sasaki, T. Tsunoda, 1991 .

An efficient method for hydrolysis of N-monosubstituted amides via acetoxypivalimides

S. Ito, O. Sasaki, T. Tsunoda, 1990 .

1,1′-(azodicarbonyl)dipiperidine-tributylphosphine, a new reagent system for mitsunobu reaction

S. Ito, T. Tsunoda, Y. Yamamiya, 1993 .

Conformation of hedycaryol isomers

K. Shimada, E. Ōsawa, M. Kodama, 1979 .

Enhancement of the Catalytic Activity of a Dawson-type Heteropoly Acid Induced by the Loading on a Silica Support

M. Niwa, K. Okumura, S. Ito, 2009 .

The Rearrangement of Chromanone Oximes with Lithium Aluminum Hydride

S. Ito, 1968 .

Formation of heterocycles by the Mitsunobu reaction. Stereoselective synthesis of (+)-α-skytanthine

Hirofumi Yamamoto, S. Ito, T. Tsunoda, 1996 .

Mitsunobu-type alkylation with active methine compounds

S. Ito, T. Tsunoda, Chisato Nagino, 1996 .

Constituents of Excoecaria agallocha

M. Kodama, T. Kawashima, S. Ito, 1971 .

A novel rearrangement in C-20 diterpene alkaloids. Formation of bridged bicyclo[4.3.1]dec-1-ene system

M. Kodama, H. Kurihara, S. Ito, 1975 .

A Facile One-Pot Cyanation of Primary and Secondary Alcohols. Application of Some New Mitsunobu Reagents.

S. Ito, T. Tsunoda, Hiroto Kaku, 1999 .

CARBON-CARBON BOND FORMATION WITH NEW MITSUNOBU REAGENTS

Hideaki Hioki, S. Ito, T. Tsunoda, 1995 .

Total synthesis of (±)-lauren-1-ene, the unique fenestrane diterpene

M. Kodama, Y. Fujise, U. Tambunan, 1987 .

Total synthesis of (±)-silphinene

M. Kodama, S. Ito, T. Tsunoda, 1983 .

Stereoselective Synthesis of (+)-Swainsonine and (-)-8,8a-Di-epi-swainsonine

M. Hirama, T. Oishi, Toshihiro Iwakuma, 1995 .

Intramolecular amidoalkylation of chiral imines and iminium ions: Stereoselective synthesis of anti-1,2- and -1,3-aminoalcohols

T. Izawa, Hideaki Hioki, S. Ito, 1995 .

Intramolecular amidoalkylation of chiral iminium ions: Stereoselective synthesis of syn- 1,3-aminoalcohols

Hideaki Hioki, S. Ito, M. Okuda, 1993 .

CARBAMATE MEDIATED FUNCTIONALIZATION OF UNSATURATED ALCOHOLS. II. REGIO‐ AND STEREO‐SELECTIVE SYNTHESIS OF 1,3‐SYN AND 1,2‐ANTI AMINO ALCOHOL DERIVATIVES VIA IODOCARBAMATION

M. Hirama, S. Ito, Y. Yamazaki, 1985 .

A Stereoselective Synthesis of(-)-Isoiridomyrmecin. Application of the Asymmetric Aza-Claisen Rearrangement.

K. Kataoka, S. Ito, T. Tsunoda, 1994 .

Aza-Claisen Rearrangement

S. Ito, T. Tsunoda, 1994 .

Asymmetric aza-Claisen rearrangement of glycolamide and glycinamide enolates. Synthesis of optically active α-hydroxy and α-amino acids

S. Ito, Y. Shiraishi, T. Tsunoda, 1993 .

Asymmetric Induction in Aza-Claisen Rearrangement of Carboxamide Enolates. Effect of Chiral Auxiliary on Nitrogen.

S. Ito, O. Sasaki, T. Tsunoda, 1992 .

Aza-claisen rearrangement of amide enolates. Stereoselective synthesis of 2,3-disubstituted carboxamides

S. Ito, O. Sasaki, T. Tsunoda, 1990 .

Carbamate-mediated functionalization of unsaturated alcohols. 3. Intramolecular Michael addition of O-carbamates to .alpha.,.beta.-unsaturated esters. A new diastereoselective amination in an acyclic system

M. Hirama, S. Ito, Y. Yamazaki, 1985 .

1,2-Asymmetric Induction in the Conjugate Addition of Organocopper Reagents to γ-Aryl α,β-Unsaturated Carbonyl Derivatives

Yoshinori Yamamoto, S. Ito, Yukiyasu Chounan, 2000 .

New acyclic apporach to 3-amino-2,3,6-trideoxy-L-hexoses: a stereocontrolled synthesis of N-benzoyl L-daunosamine

M. Hirama, S. Ito, T. Shigemoto, 1986 .

Development of New Mitsunobu Reagents

S. Ito, T. Tsunoda, 1997 .

Arylmethyl phenyl sulfones, a new carbon nucleophile for Mitsunobu-type alkylation

S. Ito, T. Tsunoda, Hiroto Kaku, 1999 .

Mitsunobu-type alkylation of p-toluenesulfonamide. A convenient new route to primary and secondary amines

Hirofumi Yamamoto, S. Ito, T. Tsunoda, 1996 .

Carbon‐Carbon Bond Formation with New Mitsunobu Reagents.

Hideaki Hioki, S. Ito, T. Tsunoda, 1995 .

Novel reactivity of stabilized methylenetributylphosphorane : a new Mitsunobu reagent

S. Ito, T. Tsunoda, Fumie Ozaki, 1994 .

Stereodivergent total synthesis of N-acetylacosamone and N-benzoylristosamine

M. Hirama, S. Ito, T. Shigemoto, 1987 .

[7]- and [9](3,5)troponophanes and the corresponding hydroxytropyliophanes

Y. Fujise, S. Ito, H. Yamaga, 1987 .

On the Synthesis of α-Thujaplicin (o-Isopropyltropolone)

Y. Kitahara, T. Nozoe, S. Ito, 1950 .

Benzene ring flipping in syn[2.2]metacyclophanes : effect of substituents

Y. Kan, Y. Fukazawa, Hideaki Hioki, 1993 .

π-π* Circular dichroism of α-cycloproyl-and-α-epoxy-ketones

S. Ito, K. Kuriyama, I. Itoh, 1968 .

Stereocontrolled construction of the hexahydrobenzofuran subunit of the avermectins and the milbemycins: the aldol strategy

M. Hirama, C. Kabuto, T. Noda, 1988 .

Synthesis of macrocyclic terpenoids by intramolecular cyclization XIII. : Stereoselective synthesis of (±)-cubitene, a component of defense secretion of termites

M. Kodama, T. Kojima, S. Ito, 1988 .

Syntheses of macrocyclic terpenoids by intramolecular cyclization I. (±)-cembrene-a, a termite trail pheromone, and (±)-nephthenol

M. Kodama, Y. Matsuki, S. Ito, 1975 .

Recent Advances in the Chemistry of Azulenes and Natural Hydroazulenes

T. Nozoe, S. Ito, 1961 .

Pure quadrupole resonance of bromine in bromotropolones

H. Sugiyama, M. Kubo, D. Nakamura, 1964 .

N,N,N',N'-tetramethylazodicarboxamide (TMAD), a new versatile reagent for Mitsunobu reaction, its application to synthesis of secondary amines

S. Ito, T. Tsunoda, Y. Yamamiya, 1994 .

6-Amino-1, 3-diazazulene

T. Nozoe, K. Matsui, S. Ito, 1953 .

10(S)-hydroxy-6(R),9(S)-oxidohexadecanoic acid, a new acid in wool fat

K. Endo, T. Nozoe, S. Ito, 1971 .

Total synthesis of “(±)-senoxydene”

M. Kodama, S. Ito, Y. Kabasawa, 1984 .

Total synthesis of barbatane sesquiterpenes: α- and β-barbatenes, gymnomitrol, and isogymnomitrol

M. Kodama, S. Ito, T. Kurihara, 1979 .

Stereoselective total synthesis of bazzanene

M. Kodama, S. Ito, Toshiya Takahashi, 1980 .

Novel Oxidative Cyclization of Bridged Secondary Alcohols with Ceric Ammonium Nitrate

Y. Fujise, H. Tsuchida, S. Ito, 1978 .

Intramolecular excimer formation and complexing behavior of tridentate pyridine podand having two naphthalene rings as a fluorescent chemosensor for zinc ion.

T. Niiyama, J. Kawakami, S. Ito, 2002, Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.

Complexing Behavior of New Naphthalene Derivatives Having Amide Groups as Fluorescent Chemosensors for Alkali and Alkaline Earth Metal Ions

J. Kawakami, S. Ito, Atsuo Fukushi, 1999 .

Cycloaddition reaction of 5-phenylazotropones with cyclopropene

Y. Fujise, S. Ito, M. Sakaino, 1977 .

Cycloaddition reaction of 5-arylazotropolone derivatives with cyclopentadiene. Cycloaddition of CC-NN linkage

I. Saito, S. Ito, 1977 .

Synthetic Photochemistry. III. The Addition Reaction of Methyl Acetopyruvate to Cycloheptatriene: An Ene Reaction and (4+2)π and (6+2)π Cycloadditions

A. Mori, H. Takeshita, S. Ito, 1974 .

endo-Selectivity in the cycloaddition reactions of tropylium ion

I. Saito, A. Mori, S. Ito, 1975 .

The Reaction of 2-Chlorotropone with Methyl Methacrylate

H. Takeshita, S. Ito, M. Shima, 1973 .

Cycloaddition reaction of p-tropoquinone and its utilization to the synthesis of 1,2,5-benzotropoquinone

M. Hirama, S. Ito, Yoshikazu Shoji, 1978 .

A bridged triptycene-intramolecular diels-alder reaction of 16,19-dimethoxy-[2](9,10)anthraceno[2]paracyclophane

O. Kajita, Y. Fukazawa, S. Ito, 1984 .

Enantiospecific synthesis of the spiroacetal unit of avermectin b1a

M. Hirama, S. Ito, T. Nakamine, 1986 .

Cycloaddition reaction of tropone with 1,1-dimethyl-2,5-diphenyl-1-silacyclopentadiene

Y. Fujise, H. Sakurai, S. Ito, 1974 .

Cycloaddition Reaction of Cycloheptatriene and Nitrosobenzene Derivatives

K. Endo, S. Ito, S. Narita, 1973 .

Chapter 8 - Nonbenzenoid Cyclophanes

Y. Fujise, Y. Fukazawa, S. Ito, 1983 .

Cyanomethylenetrimethylphosphorane, a Powerful Reagent for the Wittig Olefination of Esters, Lactones, and Imides.

S. Ito, T. Tsunoda, Hiroto Kaku, 2000 .

Synthesis of cyclohepta-4,6-diene-1,2,3-trione, o-tropoquinone

S. Ito, M. Hirama, 1975 .

A new route to [3.5.3] armilenium ion

Y. Fujise, H. Yashima, S. Ito, 1981 .

Substituent effect in the transannular π-interaction of bicyclo 3.2.2 nona-3,6-dien-2-one derivatives

H. Takeshita, T. Nozoe, S. Ito, 1969 .

Nuclear magnetic resonance spectra of veratrum alkaloids

S. M. Kupchan, J. B. Stothers, S. Ito, 1964 .

Triterpenic Constituents of Stewartia monadelpha SIEB. et ZUCC. Camelliagenin A 16-Cinnamate as a Sapogenin

Toshio Takahashi, T. Ogino, S. Ito, 1968 .

Mallotucin C and D, Two Diterpenic Lactones from Mallotus repandus

T. Kawashima, S. Ito, T. Nakatsu, 1981 .

Diterpenic Lactones of Mallotus repandus

Y. Fukazawa, T. Kawashima, S. Ito, 1976 .

Structure of camelliagenins

M. Kodama, S. Ito, Masakazu Konoike, 1967 .

ON THE ALKALOID OF FRITILLARIA VERTICILLATE WILD. VAR. THUNBERGII BAKER. II. THE STRUCTURE OF VERTICINE.

T. Nozoe, S. Ito, M. Katô, 1963, Chemical & pharmaceutical bulletin.

Total Synthesis of (−)-Vitrenal and Its Biological Activity

M. Kodama, U. Tambunan, S. Ito, 1986 .

Circular Dichroism. LXXVI. CD of Chiral Vinyl—Cyclopropanes

T. Norin, G. Snatzke, S. Ito, 1982 .

α-Pseudowiddrene, a new sesquiterpene hydrocarbon from sieb. et zucc.

K. Endo, S. Ito, H. Narita, 1974 .

Structure of baikeine, a veratrum alkaloid

A. Mori, Y. Fukazawa, S. Ito, 1972 .

Substituent effect on the methyl signals in the NMR spectra of olean-12-en-3β-ols effect of the hydroxyl and acetoxyl groups

M. Kodama, H. Hikino, S. Ito, 1969 .

Diastereofacial selectivity in the intramolecular conjugate addition of a nitrogen nucleophile; stereocontrolled piperidine synthesis

M. Hirama, Toshihiro Iwakuma, S. Ito, 1987 .

Site-specific generation of nonstabilized α-aminocarbanions a novel methodology toward the synthesis of 2-aminoalcohols

Yoshinori Yamamoto, K. Fujiwara, S. Ito, 1991 .

Conjugate addition of internal nucleophile to chiral vinyl sulfoxides with stereogenic center at the allylic carbon. “intramolecular” double asymmetric induction

M. Hirama, C. Kabuto, Hideaki Hioki, 1988 .

Diastereofacial Selectivity in the Intramolecular Conjugate Addition of a Nitrogen Nucleophile. Stereocontrolled Piperidine Synthesis.

M. Hirama, Toshihiro Iwakuma, S. Ito, 1988 .

Structure of inumakilactone D

M. Kodama, C. Kabuto, S. Ito, 1977 .

Structure of the further norditerpenoids of Podocarpus macrophyllus. Inumakilactone a glucoside, a plant growth inhibitor and inumakilactone E

Teruo Hayashi, H. Kakisawa, S. Ito, 1972 .

Norditerpene Dilactones from Podocarpus Species

M. Kodama, S. Ito, 1976 .

Mass spectrometry in structural and stereochemical problems—XXXVII. : Tropone and tropolone derivatives☆☆☆★

C. Djerassi, M. Ohashi, H. Budzikiewicz, 1963 .

Asymmetric dihydroxylation of alkenes with osmium tetroxide: chiral N,N′-dialkyl-2,2′-bipyrrolidine complex

M. Hirama, T. Oishi, S. Ito, 1989 .

Cycloaddition reaction of tropone and cyclopentadiene

Y. Fujise, K. Sakan, S. Ito, 1970 .

The reaction of 2-chlorotropone with cyclopentadiene

Y. Fujise, K. Sakan, S. Ito, 1969 .

Diels-alder reaction on some troponoids with acrylonitrile

H. Takeshita, S. Ito, Yoshikazu Shoji, 1969 .

Reaction of Tropone with Cyclopentadiene

Y. Fujise, S. Ito, Y. Inoue, 1966 .

SYNTHESIS AND PHYSICAL PROPERTIES OF (2)(1,3)AZULENO(2)PARACYCLOPHANE AND 2,13-DITHIA(3)(1,3)AZULENO(3)PARACYCLOPHANE

Y. Fukazawa, S. Ito, M. Aoyagi, 1978 .

Sensitized photooxidation of quadricyclane and norbornadiene. New types of reaction of 1O2.

M. Kodama, S. Ito, Takahiro Kobayashi, 1975 .

Diastereoselective Synthesis of N-Acetyl-D,L-acosamine and N-Benzoyl-D,L-ristosamine.

S. Ito, T. Shigemoto, Masahiro Hiroma, 1986 .

[2]Paracyclo[2](3,7)-p-tropoquinonophane

Y. Fujise, Y. Fukazawa, A. Kawamata, 1982 .

Reversal of diastereofacial selectivity in the intramolecular michael addition of -α-carbamoyloxy-α,β-unsaturated esters. Synthesis of N-benzoyl-D,L-daunosamine

M. Hirama, S. Ito, T. Shigemoto, 1985 .

Absolute configuration of pterocarpinoids

Y. Fujise, A. Mori, S. Ito, 1965 .

SKELETAL REARRANGEMENT IN DEHYDROGENATION OF THUJOPSENE AND ITS CONGENERS

M. Yatagai, K. Endo, Y. Ueda, 1974 .

Structure of imperialine

Y. Fukazawa, S. Ito, Masahiko Miyashita, 1976 .

Cycloaddition reaction of styryltropones with maleic anhydride

I. Saito, S. Ito, Y. Watanabe, 1977 .

Our future, our heritage. The chemical family tree of Tetsuo Nozoe.

I. Murata, S. Ito, T. Asao, 2013, Chemical record.

Tetsuo Nozoe: chemistry and life.

I. Murata, S. Ito, T. Asao, 2012, Chemical record.

Structure of A1-barrigenol and R1-barrigenol

H. Sugiyama, M. Kodama, S. Ito, 1967 .

Sensitized photooxidation of gurjunene: cleavages of the cyclopropane ring

M. Hirama, Y. Fukazawa, H. Takeshita, 1972 .

REACTION OF 5-NITROSOTROPOLONE AND ITS ACETATE WITH CYCLOPENTADIENE

I. Saito, K. Sakan, S. Ito, 1977 .

Cycloaddition Reaction of Troponoids with Dimethyl Maleate

H. Takeshita, S. Ito, Yoshikazu Shoji, 1974 .

The maleic anhydride adducts of tropolone and 2-methoxytropone

H. Takeshita, T. Nozoe, S. Ito, 1968 .

Structure and absolute configuration of α-kessyl alcohol and kessyl glycol

M. Kodama, T. Takemoto, H. Hikino, 1967 .

Structures of α-kessyl alcohol and kessyl glycol

M. Kodama, T. Takemoto, H. Hikino, 1963 .

New constituents of

K. Endo, S. Ito, K. Ota, 1965 .

[4](2,7)troponophane

Y. Fujise, Y. Fukazawa, Y. Mazaki, 1982 .

The effect of strain on the tropone ring. [3]- and [5](2,7)troponophanes

Y. Fujise, Y. Mazaki, S. Ito, 1987 .

Effect of temperature and counter ion on the skeletalrearrangement of a dihydro[10]annulen-11-one

Y. Fujise, S. Ito, Y. Hasegawa, 1985 .

Distorted tropones—[3]- and [4](2,7)troponophanes with an extra ethano bridge

Y. Fujise, Y. Fukazawa, S. Ito, 1984 .

Formation and rearrangement of tricyclo[7.1.1.04,10undeca-2,4,6,8-tetraen-10-ol, novel pathway from bicyclo[4.4.1]undeca-1(10),2,4,8-tetraen-11-one to 4-methylazulene

Y. Fujise, T. Morishima, Y. Fukazawa, 1983 .

Syn-5,13-dimethyl[2.2]metacyclophane: synthesis, spectra and thermal stability

Y. Fujise, S. Ito, Y. Nakasato, 1986 .

Synthesis of macrocyclic terpenoids by intramolecular cyclization VII. Total synthesis of (±)-cubitene

M. Kodama, T. Kojima, S. Ito, 1982 .

Synthesis of macrocyclic terpenoids by intramolecular cyclization IX. Total synthesis of (±)-obscuronatin and (±)-biflora-4,10(19),15-triene.

Yoshihisa Kobayashi, M. Kodama, S. Ito, 1984 .

Synthesis of macrocyclic terpenoids by intramolecular cyclization VI. Synthesis of 3Z-cembrene A and cembrenene

K. Shimada, M. Kodama, S. Ito, 1981 .

Thermal Deoxygenation of syn‐15, 16‐Dioxo‐1,6 : 8,13‐bismethano[14]annulene to the Pyrene Isomer Dicyclohepta[cd,gh]pentalene (Azuleno[2,1,8‐ija]azulene)

E. Vogel, W. Roth, R. Breuckmann, 1984 .

Structure of cryptomerone, a bisabolane sesquiterpene from

M. Kodama, S. Ito, S. Narita, 1969 .

3-Phenyltropolone and Its Derivatives. II

T. Nozoe, S. Ito, Kozo Sonobe, 1953 .

Stereochemistry in the cycloaddition of oxyallyl and conjugated dienes

S. Ito, H. Ohtani, Shirō Amiya, 1973 .

[2]Paracyclo[2](3,7)tropolonophane synthesis, physical properties and chemical behavior

N. Kato, Y. Fukazawa, S. Ito, 1979 .

Structure and Absolute Configuration of β-Kessyl Ketone and β-Kessyl Alcohol

T. Takemoto, H. Hikino, S. Ito, 1967 .

Mitsunobu Type C—N Bond Formation with 4,7‐Dimethyl‐3,5,7‐hexahydro‐1,2,4,7‐tetrazocin‐3,8‐dione (DHTD), a New Cyclic Azodicarboxamide.

S. Ito, T. Tsunoda, Yumi Kawamura, 1998 .

Mitsunobu Type C-N Bond Formation with 4,7-Dimethyl-3,5,7-hexahydro-1,2,4,7-tetrazocin-3,8-dione(DHTD), a New Cyclic Azodicarboxamide

S. Ito, T. Tsunoda, Yumi Kawamura, 1998 .

A Revision of the Stereochemistry of Lactucin

S. Ito, F. W. Bachelor, 1973 .

Synthesis of anti-[2,2] (2,6) azulenophane from 5-methyltropolone

N. Kato, Y. Fukazawa, S. Ito, 1976 .

Two syntheses of naphtho[2,3-b]- and naphtho[2,3-d]tropones via cycloaddition reaction of tropone

Y. Fujise, S. Ito, H. Saito, 1976 .

Syntheses of 1,6-methano[10]annulen-11-ones from tropone

S. Ito, H. Ohtani, S. Narita, 1972 .

Pentacyclo[7.5.0.02,7.05,13.06,12]Tetradeca-3,10-dien-8-one

Y. Fujise, M. C. Woods, S. Ito, 1967 .

Isostructural Family of Rare‐Earth MOFs Synthesized from 1,1,2,2‐Tetrakis(4‐phosphonophenyl)ethylene

N. Stock, Tobias Otto, S. Ito, 2022, European Journal of Inorganic Chemistry.

Visible-Light-Induced Formal [3+2] Cycloaddition of α, β-Unsaturated Imides or Amide with N,N,N',N'-Tetramethyldiaminomethane for the Synthesis of 4-Alkyl- and 4-Aryl-1-methyl-2-pyrrolidinones

M. Hashimoto, Fumika Karaki, Shun‐ichi Nagao, 2022, HETEROCYCLES.

Phenyl migration in bicyclo[5.3.1]undeca-1,3,5,8-tetraene-8-carboxy-n-methylanilide a unique truce-smiles type rearrangement of an anilide

S. Ito, Yashimasa Fukazawa, N. Kato, 1982 .

STRUCTURE OF TYRIVERDIN, THE IMMEDIATE PRECURSOR OF TYRIAN PURPLE

Y. Fujise, S. Ito, Katsuyuki Mlwa, 1980 .