Intramolecular Addition of Toluenesulfonamide to Unactivated Alkenes Catalyzed by Gold Nanoclusters under Aerobic Conditions

Hiroaki Kitahara; Ikuyo Kamiya; Hidehiro Sakurai

doi:10.1246/cl.2009.908

Intramolecular Addition of Toluenesulfonamide to Unactivated Alkenes Catalyzed by Gold Nanoclusters under Aerobic Conditions

Chemistry Letters ◽

10.1246/cl.2009.908 ◽

2009 ◽

Vol 38 (9) ◽

pp. 908-909 ◽

Cited By ~ 20

Author(s):

Hiroaki Kitahara ◽

Ikuyo Kamiya ◽

Hidehiro Sakurai

Keyword(s):

Gold Nanoclusters ◽

Aerobic Conditions

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Gold Nanoclusters as a Catalyst for Intramolecular Addition of Primary Amines to Unactivated Alkenes under Aerobic Conditions

Chemistry Letters ◽

10.1246/cl.2010.46 ◽

2010 ◽

Vol 39 (1) ◽

pp. 46-48 ◽

Cited By ~ 39

Author(s):

Hiroaki Kitahara ◽

Hidehiro Sakurai

Keyword(s):

Gold Nanoclusters ◽

Primary Amines ◽

Aerobic Conditions

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ChemInform Abstract: Gold Nanoclusters as a Catalyst for Intramolecular Addition of Primary Amines to Unactivated Alkenes under Aerobic Conditions.

ChemInform ◽

10.1002/chin.201024098 ◽

2010 ◽

Vol 41 (24) ◽

pp. no-no

Author(s):

Hiroaki Kitahara ◽

Hidehiro Sakurai

Keyword(s):

Gold Nanoclusters ◽

Primary Amines ◽

Aerobic Conditions

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ChemInform Abstract: Intramolecular Addition of Toluenesulfonamide to Unactivated Alkenes Catalyzed by Gold Nanoclusters under Aerobic Conditions.

ChemInform ◽

10.1002/chin.201008101 ◽

2010 ◽

Vol 41 (8) ◽

Author(s):

Hiroaki Kitahara ◽

Ikuyo Kamiya ◽

Hidehiro Sakurai

Keyword(s):

Gold Nanoclusters ◽

Aerobic Conditions

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Lewis Acid Character of Zero-Valent Gold Nanoclusters under Aerobic Conditions: Intramolecular Hydroalkoxylation of Alkenes.

ChemInform ◽

10.1002/chin.200742097 ◽

2007 ◽

Vol 38 (42) ◽

Author(s):

Ikuyo Kamiya ◽

Hironori Tsunoyama ◽

Tatsuya Tsukuda ◽

Hidehiro Sakurai

Keyword(s):

Lewis Acid ◽

Gold Nanoclusters ◽

Aerobic Conditions ◽

Acid Character

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Lewis Acid Character of Zero-valent Gold Nanoclusters under Aerobic Conditions: Intramolecular Hydroalkoxylation of Alkenes

Chemistry Letters ◽

10.1246/cl.2007.646 ◽

2007 ◽

Vol 36 (5) ◽

pp. 646-647 ◽

Cited By ~ 53

Author(s):

Ikuyo Kamiya ◽

Hironori Tsunoyama ◽

Tatsuya Tsukuda ◽

Hidehiro Sakurai

Keyword(s):

Lewis Acid ◽

Gold Nanoclusters ◽

Aerobic Conditions ◽

Acid Character

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Ultraviolet photoabsorption spectra of silver and gold nanoclusters

Philosophical Magazine B ◽

10.1080/014186398258050 ◽

1998 ◽

Vol 78 (4) ◽

pp. 385-396 ◽

Cited By ~ 1

Author(s):

V. Kasperovich, V. V. Kresin

Keyword(s):

Gold Nanoclusters

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The Reaction of Thiol Compounds with the Vitamin-K Dependent Clotting Factors

Thrombosis and Haemostasis ◽

10.1055/s-0038-1653570 ◽

1969 ◽

Vol 21 (03) ◽

pp. 573-579 ◽

Cited By ~ 1

Author(s):

P Fantl

Keyword(s):

Prothrombin Time ◽

Vitamin K ◽

Anaerobic Conditions ◽

Clotting Factors ◽

Thiol Compounds ◽

Aerobic Conditions ◽

One Stage ◽

Factor Ii ◽

Ph Dependent ◽

The One

SummaryTreatment of human and dog oxalated plasma with 0.2 to 1.0 × 10−1 M 2.3-dithiopropanol (BAL) or dithiothreitol (DTT) at 2–4° C for 30 min results in the reduction of the vitamin-K dependent clotting factors II, VII, IX and X to the respective-SH derivatives. The reaction is pH dependent. Under aerobic conditions the delayed one stage prothrombin time can be partly reversed. Under anaerobic conditions a gradual prolongation of the one stage prothrombin time occurs without reversal.In very diluted plasma treated with the dithiols, prothrombin can be converted into thrombin if serum as source of active factors VII and X is added. In contrast SH factors VII, IX and X are inactive in the specific tests. Reoxidation to active factors II, VII, IX and X takes place during adsorption and elution of the SH derivatives. The experiments have indicated that not only factor II but also factors VII, IX and X have active-S-S-centres.

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