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Taxonomic group: plant / Streptophyta (Phylum: Streptophyta)
Organ / tissue: seed

The structure was elucidated in this paper
Journal NLM ID: 7613423
WWW link: http://nopr.niscair.res.in/bitstream/123456789/16420/1/IJCB%2038B(4)%20518-520.pdf
Institutions: Natural Products Laboratory, Department of Chemistry, University of Allahabad, Allahabad 211 002

Two new triterpenoidal glycosides have been isolated from the seeds of plant Dendrocalamus strictus and are characterised as 3β,21β,28-trihydroxyolean-12-en-28-O-{-β-D-arabinopyranosyl(1→3)}-β-D-arabinopyranosyl(1→3)-β-D-arabinopyranoside 1 and 3β,19α-dihydroxyurs-12-en-28-oate-3-O-β-D-arabinopyranoside 2 on the basis of chemical and spectral evidence.

Dendrocalamus strictus, triterpenoidal glycoside

Structure type: oligomer ; 854
C₄₅H₇₄O₁₅
Location inside paper: compound 1, table 1(1), p. 518 (fig., 1)
Compound class: saponin glycoside
Contained glycoepitopes: IEDB_581506

Methods: 13C NMR, IR, MS, acetylation, methylation analysis, sulfuric acid hydrolysis, 1C NMR
Comments, role: NMR temperature was not specified; journal issue B

Related record ID(s): 62220
NCBI Taxonomy refs (TaxIDs): 231030
Show glycosyltransferases

NMR conditions: in CDCl3 [as TSV]

13C NMR data:
Linkage	Residue	C1	C2	C3	C4	C5	C6	C7	C8	C9	C10	C11	C12	C13	C14	C15	C16	C17	C18	C19	C20	C21	C22	C23	C24	C25	C26	C27	C28	C29	C30
28,3,3	bDArap	107.5	73.8	74.6	69.7	66.4
28,3	bDArap	107.1	72.7	84.1	69.7	66.3
28	bDArap	105.6	73.0	74.6	70.0	66.2
	Subst	38.1	27.4	79.4	38.7	53.6	18.6	32.5	40.2	47.6	37.2	24.2	130.0	136.2	41.7	25.7	16.9	35.8	35.6	39.5	40.9	70.6	37.8	28.2	16.6	15.9	17.3	26.3	68.5	32.8	28.5

¹H NMR data: present in publication

¹³C NMR data:

Linkage	Residue	C1	C2	C3	C4	C5	C6	C7	C8	C9	C10	C11	C12	C13	C14	C15	C16	C17	C18	C19	C20	C21	C22	C23	C24	C25	C26	C27	C28	C29	C30
28,3,3	bDArap	107.5	73.8	74.6	69.7	66.4
28,3	bDArap	107.1	72.7	84.1	69.7	66.3
28	bDArap	105.6	73.0	74.6	70.0	66.2
	Subst	38.1	27.4	79.4	38.7	53.6	18.6	32.5	40.2	47.6	37.2	24.2	130.0	136.2	41.7	25.7	16.9	35.8	35.6	39.5	40.9	70.6	37.8	28.2	16.6	15.9	17.3	26.3	68.5	32.8	28.5

There is only one chemically distinct structure:

CC1(C)C[C@H]2C3=CC[C@@H]4[C@@]5(C)CC[C@H](O)C(C)(C)[C@@H]5CC[C@@]4(C)[C@]3(C)CC[C@@]2(CO[C@@H]2OC[C@@H](O)[C@@H](O[C@@H]3OC[C@@H](O)[C@@H](O[C@@H]4OC[C@@H](O)[C@@H](O)[C@@H]4O)[C@@H]3O)[C@@H]2O)C[C@@H]1O

SVG MW SMILES 3D mol Ionize

Dendrocalamus strictus, triterpenoidal glycoside

Structure type: monomer ; 619
C₃₆H₅₈O₈
Location inside paper: compound 2, table 1(2), p. 518 (fig., 2)
Compound class: saponin glycoside
Contained glycoepitopes: IEDB_581506

Methods: 13C NMR, IR, MS, acetylation, methylation analysis, sulfuric acid hydrolysis, 1C NMR
Comments, role: NMR temperature was not specified; journal issue B

Related record ID(s): 62219
NCBI Taxonomy refs (TaxIDs): 231030
Show glycosyltransferases

NMR conditions: in CDCl3 [as TSV]

13C NMR data:
Linkage	Residue	C1	C2	C3	C4	C5	C6	C7	C8	C9	C10	C11	C12	C13	C14	C15	C16	C17	C18	C19	C20	C21	C22	C23	C24	C25	C26	C27	C28	C29	C30
3	bDArap	105.6	73.8	74.6	70.0	67.0
28	Me
	Subst	41.8	27.6	73.2	48.0	53.0	21.0	33.2	41.2	47.1	41.5	25.0	129.0	138.6	41.1	28.6	25.5	48.2	53.5	78.4	41.1	25.7	37.4	25.5	17.1	15.8	17.3	26.1	178.1	27.3	16.1

¹H NMR data: present in publication

¹³C NMR data:

Linkage	Residue	C1	C2	C3	C4	C5	C6	C7	C8	C9	C10	C11	C12	C13	C14	C15	C16	C17	C18	C19	C20	C21	C22	C23	C24	C25	C26	C27	C28	C29	C30
3	bDArap	105.6	73.8	74.6	70.0	67.0
28	Me
	Subst	41.8	27.6	73.2	48.0	53.0	21.0	33.2	41.2	47.1	41.5	25.0	129.0	138.6	41.1	28.6	25.5	48.2	53.5	78.4	41.1	25.7	37.4	25.5	17.1	15.8	17.3	26.1	178.1	27.3	16.1

There is only one chemically distinct structure:

COC(=O)[C@]12CC[C@@H](C)[C@@](C)(O)[C@H]1C1=CC[C@@H]3[C@@]4(C)CC[C@H](O[C@@H]5OC[C@@H](O)[C@@H](O)[C@@H]5O)C(C)(C)[C@@H]4CC[C@@]3(C)[C@]1(C)CC2

SVG MW SMILES 3D mol Ionize