✦ LIBER ✦

Structure of new gibberellin glucoside in immature seeds of Pharbitis nil

✍ Scribed by Takao Yokota; Noboru Murofushi; Nobutaka Takahashi

Publisher: Elsevier Science
Year: 1970
Tongue: French
Weight: 158 KB
Volume: 11
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)98003-7

No coin nor oath required. For personal study only.

✦ Synopsis

We have isolated seven gibberellin glucosides (1, 2) from immature seeds of morning-glory (Pharbitis nil) and elucidated the structures of six of them -

(3). Now we wish to report the structure of a new gibberellin glucoside, tentatively termed F-VII.

📜 SIMILAR VOLUMES

Stuructures of new gibberellin glucoside

Stuructures of new gibberellin glucosides in immature seeds of pharbitis nil

✍ Takao Yokota; Nobutaka Takahashi; Noboru Murofushi; Saburo Tamura 📂 Article 📅 1969 🏛 Elsevier Science 🌐 French ⚖ 209 KB

On the treatment with acetic anhydride-pyridine at room temparature the four glucosldes gave the ccrresponding acetates. Chemical shifts in the NMR spectra of the glucosides and their acetates are summarized in Table. Esterification of a crystalline F-II tetraacetate (II), Cj~H40015H20\*\*, m.p. 20

Gibberellin in immature seeds of pharbit

Gibberellin in immature seeds of pharbitis nil

✍ Nobutaka Takahashi; Noboru Murofushi; Takao Yokota; Saburo Tamura 📂 Article 📅 1967 🏛 Elsevier Science 🌐 French ⚖ 205 KB

The presence of glbberellln-like substances in immature seeds of morning-glory (Pharbltis a) has been suggested by Ogawa ! (1,2), Murakami (3) and Zeevaat (4). Now we wish to report the Isolation and structure of a new gibberellln, tentatively named Pharbltis Gibberellln, as well as the presence o

Structures of gibberellins A26 and A27 i

Structures of gibberellins A26 and A27 in immature seeds of pharbitis nil

✍ Nobutaka Takahashi; Takao Yokota; Noboru Murofushi; Saburo Tamura 📂 Article 📅 1969 🏛 Elsevier Science 🌐 French ⚖ 222 KB

Isolation and. biological activities of new gibberellins A26 and A27 in immature seeds of the Japanese morning-glory (Pharbitis nil) have been reported - (1). We wish to report here the elucidation of their structures. Gibberellin A26 (GA26), m.p. 254-257", formed a monomethyl ester (II), m.p. 207

Isolation of water-soluble gibberellins

Isolation of water-soluble gibberellins from immature seeds ofPharbitis nil

✍ Saburo Tamura; Nobutaka Takahashi; Takao Yokota; Noboru Murofushi; Yukiyoshi Oga 📂 Article 📅 1967 🏛 Springer-Verlag 🌐 English ⚖ 220 KB

The presence of tkree water-soluble gibberellins was confirmed in immature seeds of morning-glory (Pharbitis nil). The structure of the main component has been elucidated as 2-O-fl-glucosyl-gibbereUin A s. It shows marked growth-promoting activity on rice seedlings but is far less active on dwarf ma

Isolation of gibberellins A26and A27and

Isolation of gibberellins A26and A27and their glucosides from immature seeds ofPharbitis nil

✍ Takao Yokota; Nobutaka Takahashi; Noboru Murofushi; Saburo Tamura 📂 Article 📅 1969 🏛 Springer-Verlag 🌐 English ⚖ 208 KB

Two new gibberellins, gibberellins Ae6 and Ae~ (GA2~ and GA2:), and their glucosides have been isolated from immature seeds of Japanese morning-glory (Pharbiti8 nil), together with GA s and its glucoside. GA~6, GA2~ and their glucosides showed only slight growth-promoting activities on seedlings of

Structures of new gibberellins in immatu

Structures of new gibberellins in immature seeds of canavalia gladiata

✍ Nobutaka Takahashi; Noboru Murofushi; Tokao Yokota; Saburo Tamura; Jiro Kato; Yo 📂 Article 📅 1967 🏛 Elsevier Science 🌐 French ⚖ 223 KB

Isolation and biological aotivlties of two novel gibberellins, Canavalla gibberellln-I and -11 (CG-I, CG-II) contained in Immature seeds of sword bean (Canavalia aladiata DC.) have been already reported (1). In this paper we wish to report the determination of their structures.