GA7, MeTMS

Formula: C₂₃H₃₂O₅Si
Molecular weight: 416.5827
IUPAC Standard InChI: InChI=1S/C23H32O5Si/c1-13-11-22-12-14(13)7-8-15(22)23-10-9-16(28-29(4,5)6)21(2,20(25)27-23)18(23)17(22)19(24)26-3/h9-10,14-18H,1,7-8,11-12H2,2-6H3/t14-,15?,16+,17?,18?,21-,22+,23-/m0/s1
IUPAC Standard InChIKey: QYWOOSKTNLXOPW-JKQFYZDSSA-N
Chemical structure:
This structure is also available as a 2d Mol file
Stereoisomers:
- GA7 methyl ester TMS ether
- Iso-GA7, MeTMS
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Gas Chromatography

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, custom temperature program

Column type	Active phase	I	Reference	Comment
Capillary	DB-1	2541.	Pearce, Koshioka, et al., 1994	15. m/0.22 mm/0.25 μm; Program: 60(0.1 min)-200 0C at 20 deg/min; 200-300 0C at 5 deg/min
Capillary	SE-52	2517.	Hedden, Hoad, et al., 1993	25. m/0.22 mm/0.25 μm, He; Program: 50C => 15C/min => 240C => 4C/min => 300C
Capillary	SE-52	2519.	Hedden, Hoad, et al., 1993	25. m/0.22 mm/0.25 μm, He; Program: 50C => 15C/min => 240C => 4C/min => 300C

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	DB-1	2520.	Oyama, Yamauchi, et al., 1996	160. C @ 2. min, 16. K/min; Column length: 15. m; Column diameter: 0.258 mm; T_end: 280. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	DB-1	2505.	Chung, Kuo, et al., 2003	15. m/0.25 mm/0.25 μm; Program: 60 0C (0.1 min) 20 0C -> 200 0C 5 0C/min -> 300 0C
Capillary	HP-1	2486.	Matheussen, Morgan, et al., 1991	12. m/0.2 mm/0.33 μm, He; Program: 60C(1min) => 15C/min => 200C => 5C/min => 270C

References

Go To: Top, Gas Chromatography, Notes

Pearce, Koshioka, et al., 1994
Pearce, D.W.; Koshioka, M.; Pharis, R.P., Chromatography of gibberellins, J. Chromatogr. A, 1994, 658, 1, 91-122, https://doi.org/10.1016/0021-9673(94)85210-3 . [all data]

Hedden, Hoad, et al., 1993
Hedden, P.; Hoad, G.V.; Gaskin, P.; Lewis, M.J.; Green, J.R.; Furber, M.; Mander, L.N., Kaurenoids and gibberellins, including the newly characterized gibberellin A₈₈, in developing apple seeds, Phytochemistry, 1993, 32, 2, 231-237, https://doi.org/10.1016/S0031-9422(00)94973-2 . [all data]

Oyama, Yamauchi, et al., 1996
Oyama, N.; Yamauchi, T.; Yamane, H.; Murofushi, N.; Agatsuma, M.; Pour, M.; Mander, L.N., Identification of gibberellins and 9,15-cyclogibberellins in developing apple seeds, Biosci. Biotechnol. Biochem., 1996, 60, 2, 305-308, https://doi.org/10.1271/bbb.60.305 . [all data]

Chung, Kuo, et al., 2003
Chung, J.-D.; Kuo, S.-R.; Chien, C.-T., Identification and quantification of gibberellin transformation and dosage changes in good and poor flowering clones of Calocedrus formosana grafts, Taiwan J. For. Sci., 2003, 18, 4, 387-400. [all data]

Matheussen, Morgan, et al., 1991
Matheussen, A.-M.; Morgan, P.W.; Frederiksen, R.A., Implication of gibberellins in head smut (Sporisorium reilianum) of Sorghum bicolor, Plant Physiol., 1991, 96, 2, 537-544, https://doi.org/10.1104/pp.96.2.537 . [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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